Browse All (850) 862-XXXX phone numbers Primarily serving the city of Fort Walton Beach, Florida in Okaloosa county. Primary Carrier: Embarq Florida Inc. (central) Dba Centurylink Prefix 1-850-862-XXXX is primarily in Fort Walton Beach, Florida, and includes 7975 numbers. Numbers in 1-850-862-XXXX grouped by hundreds