| Prefix 1-810-201 | County Oakland | City Southfield | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-202 | County Oakland | City Southfield | Carrier Peerless Network Of Michigan, Llc - Mi |
| Prefix 1-810-203 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-204 | County Oakland | City Royal Oak | Carrier Usa Mobility Wireless, Inc. |
| Prefix 1-810-205 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-206 | County Oakland | City Southfield | Carrier Neutral Tandem-michigan, Llc - Mi |
| Prefix 1-810-207 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-208 | County Oakland | City Southfield | Carrier Charter Fiberlink - Michigan, Llc - Mi |
| Prefix 1-810-209 | County Oakland | City Southfield | Carrier Long Distance Of Michigan, Inc. Dba Ldmi - Mi |
| Prefix 1-810-210 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-212 | County Oakland | City Southfield | Carrier Level 3 Communications, Llc - Mi |
| Prefix 1-810-213 | County | City | Carrier Xo Communications Services, Inc. - Mi |
| Prefix 1-810-214 | County Oakland | City Southfield | Carrier Charter Fiberlink - Michigan, Llc - Mi |
| Prefix 1-810-215 | County Genesee | City Fenton | Carrier Charter Fiberlink - Michigan, Llc - Mi |
| Prefix 1-810-216 | County Oakland | City Southfield | Carrier Telnet Worldwide, Inc. |
| Prefix 1-810-217 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-218 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-219 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-220 | County Livingston | City Brighton | Carrier Ameritech Michigan |
| Prefix 1-810-221 | County Wayne | City Livonia | Carrier Peerless Network Of Michigan, Llc - Mi |
| Prefix 1-810-222 | County | City | Carrier Xo Communications Services, Inc. - Mi |
| Prefix 1-810-223 | County Wayne | City Detroit | Carrier At&t Local |
| Prefix 1-810-224 | County Oakland | City Southfield | Carrier Mci Worldcom Communications, Inc. - Mi |
| Prefix 1-810-225 | County Livingston | City Brighton | Carrier Ameritech Michigan |
| Prefix 1-810-226 | County Oakland | City Southfield | Carrier Bandwidth.com Clec, Llc - Mi |
| Prefix 1-810-227 | County Livingston | City Brighton | Carrier Ameritech Michigan |
| Prefix 1-810-228 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-229 | County Livingston | City Brighton | Carrier Ameritech Michigan |
| Prefix 1-810-230 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-231 | County Livingston | City Hamburg | Carrier Ameritech Michigan |
| Prefix 1-810-232 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-233 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-234 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-235 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-236 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-237 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-238 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-239 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-240 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-241 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-242 | County Oakland | City Southfield | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-244 | County Genesee | City Flint | Carrier Phone Michigan |
| Prefix 1-810-245 | County Lapeer | City Lapeer | Carrier Ameritech Michigan |
| Prefix 1-810-247 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-249 | County Genesee | City Flint | Carrier Phone Michigan |
| Prefix 1-810-250 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-251 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-252 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-253 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-255 | County Oakland | City Birmingham | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-257 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-258 | County Oakland | City Southfield | Carrier Charter Fiberlink - Michigan, Llc - Mi |
| Prefix 1-810-259 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-262 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-263 | County Wayne | City Livonia | Carrier Omnipoint Communications Midwest Operations Llc |
| Prefix 1-810-265 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-266 | County Shiawassee | City Byron | Carrier Ameritech Michigan |
| Prefix 1-810-267 | County Wayne | City Detroit | Carrier 123 Net, Inc. |
| Prefix 1-810-269 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-270 | County Oakland | City Southfield | Carrier Charter Fiberlink - Michigan, Llc - Mi |
| Prefix 1-810-272 | County Oakland | City Southfield | Carrier Mci Worldcom Communications, Inc. - Mi |
| Prefix 1-810-275 | County Wayne | City Detroit | Carrier Mci Worldcom Communications, Inc. - Mi |
| Prefix 1-810-277 | County | City | Carrier Xo Communications Services, Inc. - Mi |
| Prefix 1-810-278 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-279 | County Oakland | City Southfield | Carrier Centurylink Communications Llc |
| Prefix 1-810-280 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-282 | County Wayne | City Livonia | Carrier Ameritech Michigan |
| Prefix 1-810-285 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-287 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-288 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-289 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-290 | County Oakland | City Royal Oak | Carrier Usa Mobility Wireless, Inc. |
| Prefix 1-810-292 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-293 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-294 | County Oakland | City Southfield | Carrier Bandwidth.com Clec, Llc - Mi |
| Prefix 1-810-299 | County Oakland | City Southfield | Carrier Broadwing Communications, Llc - Mi |
| Prefix 1-810-300 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-301 | County Genesee | City Burton | Carrier Ameritech Michigan |
| Prefix 1-810-304 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-305 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-308 | County Wayne | City Livonia | Carrier Metro Pcs, Inc. |
| Prefix 1-810-309 | County Oakland | City Southfield | Carrier Ymax Communications Corp. - Mi |
| Prefix 1-810-310 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-312 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-315 | County Oakland | City Southfield | Carrier 123 Net, Inc. |
| Prefix 1-810-318 | County | City | Carrier Usa Mobility Wireless, Inc. |
| Prefix 1-810-320 | County Oakland | City Southfield | Carrier Broadwing Communications, Llc - Mi |
| Prefix 1-810-321 | County Oakland | City Southfield | Carrier Peerless Network Of Michigan, Llc - Mi |
| Prefix 1-810-322 | County Wayne | City Livonia | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-324 | County Saint Clair | City Avoca | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-325 | County Saint Clair | City Goodells | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-326 | County Saint Clair | City Saint Clair | Carrier Ameritech Michigan |
| Prefix 1-810-327 | County Saint Clair | City Jeddo | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-328 | County Genesee | City Flint | Carrier Phone Michigan |
| Prefix 1-810-329 | County Saint Clair | City Saint Clair | Carrier Ameritech Michigan |
| Prefix 1-810-332 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-333 | County Wayne | City Livonia | Carrier Omnipoint Communications Midwest Operations Llc |
| Prefix 1-810-334 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-335 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-336 | County Wayne | City Livonia | Carrier Metro Pcs, Inc. |
| Prefix 1-810-337 | County Wayne | City Livonia | Carrier Comcast Phone Of Michigan, Llc - Mi |
| Prefix 1-810-338 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-339 | County Oakland | City Southfield | Carrier Centurylink Communications Llc |
| Prefix 1-810-340 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-341 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-342 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-343 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-344 | County Oakland | City Southfield | Carrier Mci Worldcom Communications, Inc. - Mi |
| Prefix 1-810-346 | County Sanilac | City Brown City | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-347 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-348 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-350 | County Wayne | City Wayne | Carrier Comcast Phone Of Michigan, Llc - Mi |
| Prefix 1-810-354 | County Oakland | City Southfield | Carrier Mci Worldcom Communications, Inc. - Mi |
| Prefix 1-810-355 | County Oakland | City Southfield | Carrier Level 3 Communications, Llc - Mi |
| Prefix 1-810-356 | County Oakland | City Southfield | Carrier Level 3 Communications, Llc - Mi |
| Prefix 1-810-357 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-358 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-359 | County Sanilac | City Lexington | Carrier Ameritech Michigan |
| Prefix 1-810-360 | County Oakland | City Southfield | Carrier Level 3 Communications, Llc - Mi |
| Prefix 1-810-364 | County Saint Clair | City Marysville | Carrier Ameritech Michigan |
| Prefix 1-810-366 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-367 | County Saint Clair | City Smiths Creek | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-368 | County Oakland | City Southfield | Carrier Mci Worldcom Communications, Inc. - Mi |
| Prefix 1-810-369 | County Oakland | City Southfield | Carrier Centurylink Communications Llc |
| Prefix 1-810-370 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-371 | County Oakland | City Southfield | Carrier 123 Net, Inc. |
| Prefix 1-810-373 | County Oakland | City Southfield | Carrier Comcast Phone Of Michigan, Llc - Mi |
| Prefix 1-810-374 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-375 | County Oakland | City Southfield | Carrier 123 Net, Inc. |
| Prefix 1-810-376 | County Sanilac | City Deckerville | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-377 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-378 | County Oakland | City Southfield | Carrier Ameritech Michigan |
| Prefix 1-810-379 | County Oakland | City Southfield | Carrier Bandwidth.com Clec, Llc - Mi |
| Prefix 1-810-384 | County Saint Clair | City Emmett | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-385 | County Saint Clair | City Port Huron | Carrier Ameritech Michigan |
| Prefix 1-810-387 | County Saint Clair | City Yale | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-388 | County Saint Clair | City Marysville | Carrier Ameritech Michigan |
| Prefix 1-810-389 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-390 | County Oakland | City Southfield | Carrier 123 Net, Inc. |
| Prefix 1-810-391 | County Wayne | City Detroit | Carrier Talk America Inc. - Mi |
| Prefix 1-810-392 | County Saint Clair | City Memphis | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-394 | County Wayne | City Livonia | Carrier Omnipoint Communications Midwest Operations Llc |
| Prefix 1-810-395 | County Saint Clair | City Capac | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-396 | County Oakland | City Southfield | Carrier Telnet Worldwide, Inc. |
| Prefix 1-810-397 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-398 | County Oakland | City Southfield | Carrier Telnet Worldwide, Inc. |
| Prefix 1-810-399 | County Wayne | City Detroit | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-400 | County Oakland | City Southfield | Carrier Telnet Worldwide, Inc. |
| Prefix 1-810-404 | County Sanilac | City Carsonville | Carrier Thumb Cellular Limited Partnership |
| Prefix 1-810-406 | County Wayne | City Detroit | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-407 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-410 | County Wayne | City Detroit | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-412 | County Oakland | City Southfield | Carrier Level 3 Communications, Llc - Mi |
| Prefix 1-810-414 | County Sanilac | City Carsonville | Carrier Thumb Cellular Limited Partnership |
| Prefix 1-810-417 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-420 | County Oakland | City Southfield | Carrier Level 3 Communications, Llc - Mi |
| Prefix 1-810-422 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-423 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-424 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-425 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-426 | County Oakland | City Southfield | Carrier 123 Net, Inc. |
| Prefix 1-810-428 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-429 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-432 | County Wayne | City Livonia | Carrier Bandwidth.com Clec, Llc - Mi |
| Prefix 1-810-433 | County Oakland | City Southfield | Carrier Broadwing Communications, Llc - Mi |
| Prefix 1-810-434 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-441 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-442 | County Oakland | City Southfield | Carrier 123 Net, Inc. |
| Prefix 1-810-444 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-445 | County Oakland | City Southfield | Carrier Centurylink Communications Llc |
| Prefix 1-810-447 | County Wayne | City Detroit | Carrier Bandwidth.com Clec, Llc - Mi |
| Prefix 1-810-448 | County Oakland | City Southfield | Carrier Telnet Worldwide, Inc. |
| Prefix 1-810-449 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-452 | County Oakland | City Southfield | Carrier Telnet Worldwide, Inc. |
| Prefix 1-810-454 | County | City | Carrier Xo Communications Services, Inc. - Mi |
| Prefix 1-810-455 | County Genesee | City Flint | Carrier Phone Michigan |
| Prefix 1-810-458 | County Wayne | City Livonia | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-459 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-462 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-471 | County Wayne | City Detroit | Carrier Level 3 Communications, Llc - Mi |
| Prefix 1-810-474 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-475 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-476 | County Oakland | City Southfield | Carrier Level 3 Communications, Llc - Mi |
| Prefix 1-810-479 | County Oakland | City Southfield | Carrier Level 3 Communications, Llc - Mi |
| Prefix 1-810-483 | County Oakland | City Southfield | Carrier Telnet Worldwide, Inc. |
| Prefix 1-810-484 | County Wayne | City Detroit | Carrier Omnipoint Communications Midwest Operations Llc |
| Prefix 1-810-487 | County Genesee | City Flushing | Carrier Ameritech Michigan |
| Prefix 1-810-488 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-493 | County Wayne | City Livonia | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-494 | County Livingston | City Brighton | Carrier Ameritech Michigan |
| Prefix 1-810-495 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-496 | County Oakland | City Southfield | Carrier Broadwing Communications, Llc - Mi |
| Prefix 1-810-498 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-499 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-503 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-505 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-508 | County | City | Carrier Adbeep, Llc |
| Prefix 1-810-510 | County Oakland | City Southfield | Carrier Peerless Network Of Michigan, Llc - Mi |
| Prefix 1-810-512 | County Oakland | City Southfield | Carrier 123 Net, Inc. |
| Prefix 1-810-513 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-515 | County Wayne | City Detroit | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-516 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-519 | County Oakland | City Southfield | Carrier Global Crossing Telemanagement, Inc.-mi |
| Prefix 1-810-521 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-522 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-523 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-524 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-525 | County Wayne | City Livonia | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-526 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-528 | County Oakland | City Royal Oak | Carrier Usa Mobility Wireless, Inc. |
| Prefix 1-810-531 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-533 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-534 | County Genesee | City Flint | Carrier Phone Michigan |
| Prefix 1-810-535 | County Washtenaw | City Ann Arbor | Carrier Acd Telecom, Inc. - Mi |
| Prefix 1-810-537 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-538 | County Genesee | City Flint | Carrier Phone Michigan |
| Prefix 1-810-539 | County Oakland | City Southfield | Carrier Telnet Worldwide, Inc. |
| Prefix 1-810-542 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-543 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-544 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-545 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-546 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-547 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-548 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-553 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-555 | County | City | Carrier Ameritech Michigan |
| Prefix 1-810-557 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-560 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-561 | County Oakland | City Southfield | Carrier Telnet Worldwide, Inc. |
| Prefix 1-810-564 | County Genesee | City Clio | Carrier Ameritech Michigan |
| Prefix 1-810-569 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-571 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-577 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-579 | County Genesee | City Flint | Carrier Phone Michigan |
| Prefix 1-810-580 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-581 | County Oakland | City Royal Oak | Carrier Usa Mobility Wireless, Inc. |
| Prefix 1-810-583 | County Oakland | City Southfield | Carrier Telnet Worldwide, Inc. |
| Prefix 1-810-584 | County Oakland | City Southfield | Carrier Broadwing Communications, Llc - Mi |
| Prefix 1-810-588 | County Oakland | City Southfield | Carrier Comcast Phone Of Michigan, Llc - Mi |
| Prefix 1-810-591 | County Genesee | City Flint | Carrier Phone Michigan |
| Prefix 1-810-592 | County | City | Carrier Xo Communications Services, Inc. - Mi |
| Prefix 1-810-593 | County Genesee | City Flint | Carrier Phone Michigan |
| Prefix 1-810-595 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-597 | County Wayne | City Detroit | Carrier Xo Communications Services, Inc. - Mi |
| Prefix 1-810-599 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-600 | County Genesee | City Flint | Carrier Phone Michigan |
| Prefix 1-810-602 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-603 | County Genesee | City Grand Blanc | Carrier Ameritech Michigan |
| Prefix 1-810-605 | County Genesee | City Flint | Carrier Phone Michigan |
| Prefix 1-810-606 | County Genesee | City Grand Blanc | Carrier Ameritech Michigan |
| Prefix 1-810-610 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-614 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-616 | County Oakland | City Southfield | Carrier Telnet Worldwide, Inc. |
| Prefix 1-810-618 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-620 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-621 | County Shiawassee | City Lennon | Carrier Lennon Telephone Co. |
| Prefix 1-810-622 | County Sanilac | City Port Sanilac | Carrier Ameritech Michigan |
| Prefix 1-810-623 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-624 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-625 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-626 | County Oakland | City Southfield | Carrier Global Crossing Telemanagement, Inc.-mi |
| Prefix 1-810-627 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-628 | County Genesee | City Swartz Creek | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-629 | County Genesee | City Fenton | Carrier Ameritech Michigan |
| Prefix 1-810-630 | County Genesee | City Swartz Creek | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-631 | County Genesee | City Otisville | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-632 | County Livingston | City Hartland | Carrier Ameritech Michigan |
| Prefix 1-810-633 | County Sanilac | City Sandusky | Carrier Ameritech Michigan |
| Prefix 1-810-634 | County Genesee | City Flint | Carrier Daystarr, Llc Dba Daystarr Communications - Mi |
| Prefix 1-810-635 | County Genesee | City Swartz Creek | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-636 | County Genesee | City Goodrich | Carrier Centurytel Midwest-midwest Inc Dba Centurylink |
| Prefix 1-810-637 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-638 | County Shiawassee | City New Lothrop | Carrier Centurytel Midwest-midwest Inc Dba Centurylink |
| Prefix 1-810-639 | County Genesee | City Montrose | Carrier Centurytel Midwest-midwest Inc Dba Centurylink |
| Prefix 1-810-640 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-641 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-642 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-643 | County Oakland | City Southfield | Carrier Long Distance Of Michigan, Inc. Dba Ldmi - Mi |
| Prefix 1-810-644 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-645 | County Oakland | City Southfield | Carrier Long Distance Of Michigan, Inc. Dba Ldmi - Mi |
| Prefix 1-810-648 | County Sanilac | City Sandusky | Carrier Ameritech Michigan |
| Prefix 1-810-650 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-652 | County Genesee | City Davison | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-653 | County Genesee | City Davison | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-654 | County Oakland | City Southfield | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-655 | County Genesee | City Swartz Creek | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-656 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-657 | County Oakland | City Southfield | Carrier Ameritech Michigan |
| Prefix 1-810-658 | County Genesee | City Davison | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-659 | County Genesee | City Flushing | Carrier Ameritech Michigan |
| Prefix 1-810-660 | County Wayne | City Livonia | Carrier Grid 4 Communications, Inc. - Mi |
| Prefix 1-810-661 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-662 | County Wayne | City Detroit | Carrier Bandwidth.com Clec, Llc - Mi |
| Prefix 1-810-664 | County Lapeer | City Lapeer | Carrier Ameritech Michigan |
| Prefix 1-810-666 | County Oakland | City Southfield | Carrier Neutral Tandem-michigan, Llc - Mi |
| Prefix 1-810-667 | County Lapeer | City Lapeer | Carrier Ameritech Michigan |
| Prefix 1-810-669 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-670 | County Genesee | City Flint | Carrier Phone Michigan |
| Prefix 1-810-671 | County Wayne | City Wayne | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-672 | County Sanilac | City Carsonville | Carrier Ameritech Michigan |
| Prefix 1-810-673 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-674 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-676 | County Genesee | City Flint | Carrier Phone Michigan |
| Prefix 1-810-678 | County Lapeer | City Metamora | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-679 | County Sanilac | City Croswell | Carrier Ameritech Michigan |
| Prefix 1-810-680 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-682 | County Genesee | City Flint | Carrier Phone Michigan |
| Prefix 1-810-683 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-686 | County Genesee | City Clio | Carrier Ameritech Michigan |
| Prefix 1-810-687 | County Genesee | City Clio | Carrier Ameritech Michigan |
| Prefix 1-810-688 | County Lapeer | City North Branch | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-689 | County Oakland | City Southfield | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-691 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-692 | County Oakland | City Southfield | Carrier Broadwing Communications, Llc - Mi |
| Prefix 1-810-694 | County Genesee | City Grand Blanc | Carrier Ameritech Michigan |
| Prefix 1-810-695 | County Genesee | City Grand Blanc | Carrier Ameritech Michigan |
| Prefix 1-810-696 | County Oakland | City Southfield | Carrier Broadwing Communications, Llc - Mi |
| Prefix 1-810-699 | County Oakland | City Southfield | Carrier 123 Net, Inc. |
| Prefix 1-810-701 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-705 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-706 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-710 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-712 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-714 | County Genesee | City Fenton | Carrier Ameritech Michigan |
| Prefix 1-810-715 | County Genesee | City Burton | Carrier Ameritech Michigan |
| Prefix 1-810-720 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-721 | County Lapeer | City Imlay City | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-724 | County Lapeer | City Imlay City | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-728 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-729 | County Oakland | City Southfield | Carrier Telnet Worldwide, Inc. |
| Prefix 1-810-730 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-732 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-733 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-734 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-735 | County Genesee | City Linden | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-736 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-740 | County Oakland | City Southfield | Carrier Broadwing Communications, Llc - Mi |
| Prefix 1-810-742 | County Genesee | City Burton | Carrier Ameritech Michigan |
| Prefix 1-810-743 | County Genesee | City Burton | Carrier Ameritech Michigan |
| Prefix 1-810-744 | County Genesee | City Burton | Carrier Ameritech Michigan |
| Prefix 1-810-746 | County Oakland | City Southfield | Carrier Broadwing Communications, Llc - Mi |
| Prefix 1-810-748 | County Saint Clair | City Harsens Island | Carrier Ameritech Michigan |
| Prefix 1-810-750 | County Genesee | City Fenton | Carrier Ameritech Michigan |
| Prefix 1-810-751 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-760 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-762 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-765 | County Saint Clair | City Marine City | Carrier Ameritech Michigan |
| Prefix 1-810-766 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-767 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-768 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-771 | County Oakland | City Southfield | Carrier Grid 4 Communications, Inc. - Mi |
| Prefix 1-810-772 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-775 | County Oakland | City Southfield | Carrier Comcast Phone Of Michigan, Llc - Mi |
| Prefix 1-810-777 | County Oakland | City Southfield | Carrier Neutral Tandem-michigan, Llc - Mi |
| Prefix 1-810-780 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-785 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-787 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-788 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-789 | County Genesee | City Flint | Carrier Ameritech Michigan |
| Prefix 1-810-790 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-793 | County Lapeer | City Columbiaville | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-794 | County Saint Clair | City Algonac | Carrier Ameritech Michigan |
| Prefix 1-810-796 | County Lapeer | City Dryden | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-797 | County Lapeer | City Hadley | Carrier Centurytel Midwest-midwest Inc Dba Centurylink |
| Prefix 1-810-798 | County Lapeer | City Almont | Carrier Frontier North, Inc. - Mi |
| Prefix 1-810-800 | County Oakland | City Southfield | Carrier Telnet Worldwide, Inc. |
| Prefix 1-810-812 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-813 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-814 | County Wayne | City Livonia | Carrier Omnipoint Communications Midwest Operations Llc |
| Prefix 1-810-815 | County | City | Carrier Xo Communications Services, Inc. - Mi |
| Prefix 1-810-820 | County Wayne | City Wayne | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-821 | County | City | Carrier Xo Communications Services, Inc. - Mi |
| Prefix 1-810-824 | County Wayne | City Detroit | Carrier Long Distance Of Michigan, Inc. Dba Ldmi - Mi |
| Prefix 1-810-827 | County Oakland | City Southfield | Carrier 123 Net, Inc. |
| Prefix 1-810-828 | County Oakland | City Southfield | Carrier Telnet Worldwide, Inc. |
| Prefix 1-810-833 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-834 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-835 | County Wayne | City Detroit | Carrier Ameritech Michigan |
| Prefix 1-810-836 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-837 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-841 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-842 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-844 | County Livingston | City Brighton | Carrier Ameritech Michigan |
| Prefix 1-810-845 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-852 | County | City | Carrier Xo Communications Services, Inc. - Mi |
| Prefix 1-810-853 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-857 | County Oakland | City Southfield | Carrier Telnet Worldwide, Inc. |
| Prefix 1-810-858 | County Wayne | City Livonia | Carrier Metro Pcs, Inc. |
| Prefix 1-810-866 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-867 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-869 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-874 | County Wayne | City Livonia | Carrier Omnipoint Communications Midwest Operations Llc |
| Prefix 1-810-875 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-877 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-878 | County Oakland | City Southfield | Carrier Ameritech Michigan |
| Prefix 1-810-881 | County Oakland | City Southfield | Carrier Broadwing Communications, Llc - Mi |
| Prefix 1-810-882 | County | City | Carrier Xo Communications Services, Inc. - Mi |
| Prefix 1-810-885 | County | City | Carrier Xo Communications Services, Inc. - Mi |
| Prefix 1-810-886 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-887 | County Saint Clair | City Port Huron | Carrier Ameritech Michigan |
| Prefix 1-810-888 | County Oakland | City Southfield | Carrier Onvoy, Llc - Mi |
| Prefix 1-810-891 | County Oakland | City Southfield | Carrier Broadwing Communications, Llc - Mi |
| Prefix 1-810-892 | County Oakland | City Southfield | Carrier Broadwing Communications, Llc - Mi |
| Prefix 1-810-893 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-895 | County Oakland | City Southfield | Carrier Broadwing Communications, Llc - Mi |
| Prefix 1-810-900 | County Oakland | City Southfield | Carrier Telnet Worldwide, Inc. |
| Prefix 1-810-901 | County Oakland | City Southfield | Carrier 123 Net, Inc. |
| Prefix 1-810-908 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-910 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-919 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-922 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-923 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-931 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-936 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-937 | County Wayne | City Livonia | Carrier Xo Communications Services, Inc. - Mi |
| Prefix 1-810-938 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-941 | County Oakland | City Southfield | Carrier At&t Local |
| Prefix 1-810-953 | County Genesee | City Grand Blanc | Carrier Ameritech Michigan |
| Prefix 1-810-955 | County Wayne | City Detroit | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-956 | County Oakland | City Southfield | Carrier Mci Worldcom Communications, Inc. - Mi |
| Prefix 1-810-957 | County Oakland | City Southfield | Carrier Clear Rate Communications - Clec - Mi |
| Prefix 1-810-958 | County | City | Carrier Xo Communications Services, Inc. - Mi |
| Prefix 1-810-962 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-963 | County | City | Carrier Xo Communications Services, Inc. - Mi |
| Prefix 1-810-964 | County Wayne | City Detroit | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-965 | County Oakland | City Southfield | Carrier Cellco Partnership Dba Verizon Wireless - Mi |
| Prefix 1-810-966 | County Saint Clair | City Port Huron | Carrier Ameritech Michigan |
| Prefix 1-810-969 | County Wayne | City Livonia | Carrier Sprint Spectrum L.p. |
| Prefix 1-810-971 | County Oakland | City Royal Oak | Carrier Usa Mobility Wireless, Inc. |
| Prefix 1-810-972 | County Oakland | City Walled Lake | Carrier American Messaging Services, Llc |
| Prefix 1-810-973 | County Oakland | City Royal Oak | Carrier Usa Mobility Wireless, Inc. |
| Prefix 1-810-982 | County Saint Clair | City Port Huron | Carrier Ameritech Michigan |
| Prefix 1-810-984 | County Saint Clair | City Port Huron | Carrier Ameritech Michigan |
| Prefix 1-810-985 | County Saint Clair | City Port Huron | Carrier Ameritech Michigan |
| Prefix 1-810-986 | County Wayne | City Livonia | Carrier New Cingular Wireless Pcs, Llc - Il |
| Prefix 1-810-987 | County Saint Clair | City Port Huron | Carrier Ameritech Michigan |
| Prefix 1-810-988 | County Oakland | City Southfield | Carrier Telnet Worldwide, Inc. |
| Prefix 1-810-989 | County Saint Clair | City Port Huron | Carrier Ameritech Michigan |
| Prefix 1-810-990 | County Oakland | City Southfield | Carrier Teleport Communications America, Llc - Mi |
| Prefix 1-810-991 | County Oakland | City Southfield | Carrier 123 Net, Inc. |
| Prefix 1-810-999 | County | City | Carrier Ameritech Michigan |