| Prefix 1-623-200 | County Maricopa | City Tempe | Carrier Onvoy, Llc - Az |
| Prefix 1-623-201 | County Maricopa | City Phoenix | Carrier Xo Arizona, Inc. |
| Prefix 1-623-202 | County Maricopa | City Phoenix | Carrier Sprint Spectrum L.p. |
| Prefix 1-623-203 | County Maricopa | City Phoenix | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-204 | County Maricopa | City Phoenix | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-205 | County Maricopa | City Phoenix | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-206 | County Maricopa | City Phoenix | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-207 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-208 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-209 | County Maricopa | City Phoenix | Carrier Electric Lightwave, Llc Dba Integra Telecom - Az |
| Prefix 1-623-210 | County Maricopa | City Phoenix | Carrier Sprint Spectrum L.p. |
| Prefix 1-623-212 | County Maricopa | City Phoenix | Carrier American Messaging Services, Llc |
| Prefix 1-623-213 | County Maricopa | City Tempe | Carrier T-mobile Usa, Inc. |
| Prefix 1-623-214 | County Maricopa | City Surprise | Carrier Qwest Corporation |
| Prefix 1-623-215 | County | City | Carrier Mcleodusa Telecommunications Services, Inc.- Az |
| Prefix 1-623-216 | County Maricopa | City Tempe | Carrier Metro Pcs, Inc. |
| Prefix 1-623-217 | County Maricopa | City Phoenix | Carrier Sprint Spectrum L.p. |
| Prefix 1-623-218 | County Maricopa | City Phoenix | Carrier Xo Arizona, Inc. |
| Prefix 1-623-219 | County Maricopa | City Tempe | Carrier Metro Pcs, Inc. |
| Prefix 1-623-221 | County Maricopa | City Phoenix | Carrier Sprint Spectrum L.p. |
| Prefix 1-623-222 | County Maricopa | City Surprise | Carrier Qwest Corporation |
| Prefix 1-623-223 | County Maricopa | City Phoenix | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-224 | County Maricopa | City Phoenix | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-225 | County Maricopa | City Phoenix | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-226 | County Maricopa | City Tempe | Carrier Metro Pcs, Inc. |
| Prefix 1-623-227 | County Maricopa | City Phoenix | Carrier Bandwidth.com Clec, Llc - Az |
| Prefix 1-623-228 | County Maricopa | City Phoenix | Carrier At&t Local |
| Prefix 1-623-229 | County Maricopa | City Phoenix | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-230 | County Maricopa | City Tempe | Carrier T-mobile Usa, Inc. |
| Prefix 1-623-232 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-233 | County Maricopa | City Phoenix | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-234 | County | City | Carrier Qwest Corporation |
| Prefix 1-623-235 | County Maricopa | City Glendale | Carrier Qwest Corporation |
| Prefix 1-623-236 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-237 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-238 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-239 | County Maricopa | City Phoenix | Carrier T-mobile Usa, Inc. |
| Prefix 1-623-240 | County Maricopa | City Phoenix | Carrier Xo Arizona, Inc. |
| Prefix 1-623-241 | County Maricopa | City Phoenix | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-242 | County Maricopa | City Phoenix | Carrier Level 3 Communications, Llc - Az |
| Prefix 1-623-243 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-245 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-247 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-249 | County | City | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-251 | County | City | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-252 | County Maricopa | City Phoenix | Carrier Level 3 Communications, Llc - Az |
| Prefix 1-623-255 | County Maricopa | City Phoenix | Carrier Sprint Spectrum L.p. |
| Prefix 1-623-256 | County Maricopa | City Tempe | Carrier Cox Arizona Telcom, Inc. - Az |
| Prefix 1-623-258 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-261 | County Maricopa | City Phoenix | Carrier Sprint Spectrum L.p. |
| Prefix 1-623-262 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-266 | County | City | Carrier Cox Arizona Telcom, Inc. - Az |
| Prefix 1-623-271 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-277 | County Maricopa | City Tempe | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-282 | County Maricopa | City Tempe | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-623-285 | County Maricopa | City Tolleson | Carrier Qwest Corporation |
| Prefix 1-623-293 | County Maricopa | City Tempe | Carrier At&t Local |
| Prefix 1-623-295 | County Maricopa | City Phoenix | Carrier Bandwidth.com Clec, Llc - Az |
| Prefix 1-623-296 | County Maricopa | City Tempe | Carrier T-mobile Usa, Inc. |
| Prefix 1-623-297 | County Maricopa | City Phoenix | Carrier Sprint Spectrum L.p. |
| Prefix 1-623-298 | County Maricopa | City Phoenix | Carrier Xo Arizona, Inc. |
| Prefix 1-623-299 | County Maricopa | City Tempe | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-623-300 | County Maricopa | City Phoenix | Carrier Neutral Tandem-arizona, Llc - Az |
| Prefix 1-623-302 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-308 | County Maricopa | City Phoenix | Carrier Teleport Communications America, Llc - Az |
| Prefix 1-623-312 | County Maricopa | City Phoenix | Carrier Cox Arizona Telcom, Inc. - Az |
| Prefix 1-623-313 | County Maricopa | City Tempe | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-321 | County Maricopa | City Phoenix | Carrier Onvoy, Llc - Az |
| Prefix 1-623-322 | County | City | Carrier Cox Arizona Telcom, Inc. - Az |
| Prefix 1-623-326 | County Maricopa | City Tempe | Carrier T-mobile Usa, Inc. |
| Prefix 1-623-327 | County Maricopa | City Buckeye | Carrier Qwest Corporation |
| Prefix 1-623-328 | County | City | Carrier Qwest Corporation |
| Prefix 1-623-329 | County Maricopa | City Phoenix | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-330 | County Maricopa | City Tempe | Carrier T-mobile Usa, Inc. |
| Prefix 1-623-332 | County Maricopa | City Tempe | Carrier T-mobile Usa, Inc. |
| Prefix 1-623-333 | County Maricopa | City Tolleson | Carrier Qwest Corporation |
| Prefix 1-623-334 | County Maricopa | City Peoria | Carrier Qwest Corporation |
| Prefix 1-623-335 | County Maricopa | City Phoenix | Carrier Bandwidth.com Clec, Llc - Az |
| Prefix 1-623-336 | County Maricopa | City Phoenix | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-337 | County Maricopa | City Phoenix | Carrier Teleport Communications America, Llc - Az |
| Prefix 1-623-340 | County Maricopa | City Phoenix | Carrier Sprint Spectrum L.p. |
| Prefix 1-623-341 | County Maricopa | City Phoenix | Carrier Sprint Spectrum L.p. |
| Prefix 1-623-344 | County Maricopa | City Phoenix | Carrier Electric Lightwave, Llc Dba Integra Telecom - Az |
| Prefix 1-623-349 | County Maricopa | City Phoenix | Carrier Electric Lightwave, Llc Dba Integra Telecom - Az |
| Prefix 1-623-362 | County Maricopa | City Peoria | Carrier Qwest Corporation |
| Prefix 1-623-363 | County Maricopa | City Phoenix | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-374 | County | City | Carrier Qwest Corporation |
| Prefix 1-623-376 | County Maricopa | City Peoria | Carrier Qwest Corporation |
| Prefix 1-623-377 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-383 | County Maricopa | City Phoenix | Carrier Xo Arizona, Inc. |
| Prefix 1-623-385 | County Maricopa | City Phoenix | Carrier Level 3 Telecom Of Arizona, Llc - Az |
| Prefix 1-623-386 | County Maricopa | City Buckeye | Carrier Qwest Corporation |
| Prefix 1-623-387 | County Maricopa | City Phoenix | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-388 | County Maricopa | City Morristown | Carrier Qwest Corporation |
| Prefix 1-623-393 | County Maricopa | City Buckeye | Carrier Qwest Corporation |
| Prefix 1-623-396 | County Maricopa | City Phoenix | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-398 | County Maricopa | City Phoenix | Carrier Xo Arizona, Inc. |
| Prefix 1-623-399 | County Maricopa | City Tempe | Carrier T-mobile Usa, Inc. |
| Prefix 1-623-404 | County Maricopa | City Phoenix | Carrier Centurylink Communications Llc |
| Prefix 1-623-412 | County Maricopa | City Peoria | Carrier Qwest Corporation |
| Prefix 1-623-414 | County Maricopa | City Tempe | Carrier Electric Lightwave, Llc Dba Integra Telecom - Az |
| Prefix 1-623-418 | County Maricopa | City Phoenix | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-419 | County Maricopa | City Phoenix | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-428 | County Maricopa | City Phoenix | Carrier Bandwidth.com Clec, Llc - Az |
| Prefix 1-623-432 | County Maricopa | City Phoenix | Carrier Sprint Spectrum L.p. |
| Prefix 1-623-433 | County Maricopa | City Phoenix | Carrier Sprint Spectrum L.p. |
| Prefix 1-623-434 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-435 | County Maricopa | City Glendale | Carrier Qwest Corporation |
| Prefix 1-623-439 | County Maricopa | City Phoenix | Carrier Onvoy Spectrum, Llc |
| Prefix 1-623-444 | County | City | Carrier Teleport Communications America, Llc - Az |
| Prefix 1-623-445 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-451 | County Maricopa | City Phoenix | Carrier Sprint Spectrum L.p. |
| Prefix 1-623-455 | County Maricopa | City Tempe | Carrier Level 3 Communications, Llc - Az |
| Prefix 1-623-463 | County Maricopa | City Glendale | Carrier Qwest Corporation |
| Prefix 1-623-465 | County Maricopa | City New River | Carrier Qwest Corporation |
| Prefix 1-623-466 | County | City | Carrier Cox Arizona Telcom, Inc. - Az |
| Prefix 1-623-469 | County Maricopa | City Phoenix | Carrier Bandwidth.com Clec, Llc - Az |
| Prefix 1-623-474 | County Maricopa | City Tolleson | Carrier Qwest Corporation |
| Prefix 1-623-476 | County Maricopa | City Phoenix | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-623-478 | County Maricopa | City Tolleson | Carrier Qwest Corporation |
| Prefix 1-623-486 | County Maricopa | City Peoria | Carrier Qwest Corporation |
| Prefix 1-623-487 | County Maricopa | City Peoria | Carrier Qwest Corporation |
| Prefix 1-623-492 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-498 | County Maricopa | City Phoenix | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-499 | County Maricopa | City Tempe | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-623-500 | County Maricopa | City Phoenix | Carrier Neutral Tandem-arizona, Llc - Az |
| Prefix 1-623-505 | County Maricopa | City Phoenix | Carrier Global Crossing Local Services, Inc.-az |
| Prefix 1-623-512 | County Maricopa | City Tempe | Carrier Electric Lightwave, Llc Dba Integra Telecom - Az |
| Prefix 1-623-516 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-518 | County | City | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-623-521 | County Maricopa | City Phoenix | Carrier Sprint Spectrum L.p. |
| Prefix 1-623-522 | County Maricopa | City Tempe | Carrier Metro Pcs, Inc. |
| Prefix 1-623-523 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-524 | County Maricopa | City Surprise | Carrier Qwest Corporation |
| Prefix 1-623-533 | County Maricopa | City Phoenix | Carrier Sprint Spectrum L.p. |
| Prefix 1-623-535 | County Maricopa | City Litchfield Park | Carrier Qwest Corporation |
| Prefix 1-623-536 | County Maricopa | City Litchfield Park | Carrier Qwest Corporation |
| Prefix 1-623-537 | County Maricopa | City Peoria | Carrier Qwest Corporation |
| Prefix 1-623-544 | County Maricopa | City Surprise | Carrier Qwest Corporation |
| Prefix 1-623-546 | County Maricopa | City Surprise | Carrier Qwest Corporation |
| Prefix 1-623-547 | County Maricopa | City Litchfield Park | Carrier Qwest Corporation |
| Prefix 1-623-551 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-552 | County Maricopa | City Phoenix | Carrier T-mobile Usa, Inc. |
| Prefix 1-623-555 | County | City | Carrier Qwest Corporation |
| Prefix 1-623-556 | County Maricopa | City Surprise | Carrier Qwest Corporation |
| Prefix 1-623-561 | County Maricopa | City Peoria | Carrier Qwest Corporation |
| Prefix 1-623-562 | County Maricopa | City Phoenix | Carrier Cox Arizona Telcom, Inc. - Az |
| Prefix 1-623-565 | County Maricopa | City Tempe | Carrier Electric Lightwave, Llc Dba Integra Telecom - Az |
| Prefix 1-623-566 | County Maricopa | City Peoria | Carrier Qwest Corporation |
| Prefix 1-623-570 | County Maricopa | City Tempe | Carrier T-mobile Usa, Inc. |
| Prefix 1-623-572 | County Maricopa | City Peoria | Carrier Qwest Corporation |
| Prefix 1-623-580 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-581 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-582 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-583 | County Maricopa | City Youngtown | Carrier Qwest Corporation |
| Prefix 1-623-584 | County Maricopa | City Surprise | Carrier Qwest Corporation |
| Prefix 1-623-587 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-594 | County | City | Carrier Cox Arizona Telcom, Inc. - Az |
| Prefix 1-623-606 | County Maricopa | City Tempe | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-628 | County Maricopa | City Tempe | Carrier T-mobile Usa, Inc. |
| Prefix 1-623-633 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-640 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-643 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-666 | County Maricopa | City Phoenix | Carrier Neutral Tandem-arizona, Llc - Az |
| Prefix 1-623-670 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-680 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-683 | County Maricopa | City Phoenix | Carrier Cox Arizona Telcom, Inc. - Az |
| Prefix 1-623-687 | County Maricopa | City Tempe | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-623-688 | County Maricopa | City Phoenix | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-691 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-692 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-693 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-694 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-695 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-696 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-698 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-703 | County Maricopa | City Tempe | Carrier T-mobile Usa, Inc. |
| Prefix 1-623-707 | County Maricopa | City Tempe | Carrier Teleport Communications America, Llc - Az |
| Prefix 1-623-715 | County Maricopa | City Phoenix | Carrier Teleport Communications America, Llc - Az |
| Prefix 1-623-734 | County Maricopa | City Phoenix | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-623-738 | County Maricopa | City Phoenix | Carrier Level 3 Communications, Llc - Az |
| Prefix 1-623-742 | County Maricopa | City New River | Carrier Qwest Corporation |
| Prefix 1-623-745 | County Maricopa | City Phoenix | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-623-748 | County Maricopa | City Phoenix | Carrier Level 3 Communications, Llc - Az |
| Prefix 1-623-755 | County Maricopa | City Phoenix | Carrier New Cingular Wireless Pcs, Llc |
| Prefix 1-623-759 | County Maricopa | City Tempe | Carrier Mcimetro Access Transmission Services Llc |
| Prefix 1-623-760 | County Maricopa | City Tempe | Carrier Teleport Communications America, Llc - Az |
| Prefix 1-623-764 | County Maricopa | City Phoenix | Carrier Sprint Spectrum L.p. |
| Prefix 1-623-772 | County Maricopa | City Glendale | Carrier Qwest Corporation |
| Prefix 1-623-773 | County Maricopa | City Peoria | Carrier Qwest Corporation |
| Prefix 1-623-776 | County Maricopa | City Peoria | Carrier Qwest Corporation |
| Prefix 1-623-777 | County Maricopa | City Phoenix | Carrier Peerless Network Of Arizona, Llc - Az |
| Prefix 1-623-780 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-792 | County Maricopa | City Phoenix | Carrier Level 3 Telecom Of Arizona, Llc - Az |
| Prefix 1-623-800 | County Maricopa | City Tempe | Carrier Onvoy, Llc - Az |
| Prefix 1-623-806 | County Maricopa | City Tempe | Carrier Gila Local Exchange Carrier, Inc. - Az |
| Prefix 1-623-810 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-815 | County Maricopa | City Youngtown | Carrier Qwest Corporation |
| Prefix 1-623-824 | County Maricopa | City Tempe | Carrier Teleport Communications America, Llc - Az |
| Prefix 1-623-825 | County Maricopa | City Peoria | Carrier Qwest Corporation |
| Prefix 1-623-826 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-832 | County Maricopa | City Youngtown | Carrier Qwest Corporation |
| Prefix 1-623-842 | County Maricopa | City Glendale | Carrier Qwest Corporation |
| Prefix 1-623-845 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-846 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-847 | County Maricopa | City Glendale | Carrier Qwest Corporation |
| Prefix 1-623-848 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-849 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-850 | County Maricopa | City Phoenix | Carrier Electric Lightwave, Llc Dba Integra Telecom - Az |
| Prefix 1-623-853 | County Maricopa | City Litchfield Park | Carrier Qwest Corporation |
| Prefix 1-623-856 | County Maricopa | City Litchfield Park | Carrier Qwest Corporation |
| Prefix 1-623-866 | County Maricopa | City Tempe | Carrier Qwest Corporation |
| Prefix 1-623-869 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-872 | County Maricopa | City Glendale | Carrier Qwest Corporation |
| Prefix 1-623-873 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-875 | County Maricopa | City Youngtown | Carrier Qwest Corporation |
| Prefix 1-623-876 | County Maricopa | City Youngtown | Carrier Qwest Corporation |
| Prefix 1-623-877 | County Maricopa | City Glendale | Carrier Qwest Corporation |
| Prefix 1-623-878 | County Maricopa | City Peoria | Carrier Qwest Corporation |
| Prefix 1-623-879 | County Maricopa | City Phoenix | Carrier Qwest Corporation |
| Prefix 1-623-880 | County Maricopa | City Phoenix | Carrier American Messaging Services, Llc |
| Prefix 1-623-882 | County Maricopa | City Goodyear | Carrier Qwest Corporation |
| Prefix 1-623-888 | County Maricopa | City Phoenix | Carrier Peerless Network Of Arizona, Llc - Az |
| Prefix 1-623-889 | County Maricopa | City Phoenix | Carrier Electric Lightwave, Llc Dba Integra Telecom - Az |
| Prefix 1-623-900 | County Maricopa | City Phoenix | Carrier Neutral Tandem-arizona, Llc - Az |
| Prefix 1-623-907 | County Maricopa | City Tolleson | Carrier Qwest Corporation |
| Prefix 1-623-910 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-915 | County Maricopa | City Glendale | Carrier Qwest Corporation |
| Prefix 1-623-925 | County Maricopa | City Goodyear | Carrier Qwest Corporation |
| Prefix 1-623-930 | County Maricopa | City Glendale | Carrier Qwest Corporation |
| Prefix 1-623-931 | County Maricopa | City Glendale | Carrier Qwest Corporation |
| Prefix 1-623-932 | County Maricopa | City Goodyear | Carrier Qwest Corporation |
| Prefix 1-623-933 | County Maricopa | City Youngtown | Carrier Qwest Corporation |
| Prefix 1-623-934 | County Maricopa | City Glendale | Carrier Qwest Corporation |
| Prefix 1-623-935 | County Maricopa | City Litchfield Park | Carrier Qwest Corporation |
| Prefix 1-623-936 | County Maricopa | City Tolleson | Carrier Qwest Corporation |
| Prefix 1-623-937 | County Maricopa | City Glendale | Carrier Qwest Corporation |
| Prefix 1-623-939 | County Maricopa | City Glendale | Carrier Qwest Corporation |
| Prefix 1-623-972 | County Maricopa | City Youngtown | Carrier Qwest Corporation |
| Prefix 1-623-974 | County Maricopa | City Youngtown | Carrier Qwest Corporation |
| Prefix 1-623-975 | County Maricopa | City Surprise | Carrier Qwest Corporation |
| Prefix 1-623-977 | County Maricopa | City Youngtown | Carrier Qwest Corporation |
| Prefix 1-623-979 | County Maricopa | City Peoria | Carrier Qwest Corporation |
| Prefix 1-623-980 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-986 | County Maricopa | City Tempe | Carrier Cellco Partnership Dba Verizon Wireless - Az |
| Prefix 1-623-999 | County Maricopa | City Tempe | Carrier Neutral Tandem-arizona, Llc - Az |