Texas Area Code - 903 All prefixes listed on the Texas Area Codes site reflect NANPA numbering data through November, 2023 Because of the way telephone data is assembled, some cities may not be on the list
903 area code — information, time zone, map 903 is an area code located in the state of Texas, US The largest city it serves is Tyler Find out where 903 area code zone from, which states, counties and cities it covers Get the most exact information on time zones here
903 Area Code Phone Numbers | Whitepages Browse area code 903 phone numbers, prefixes and exchanges The 903 area code serves Longview, Dallas, Texarkana, Athens, Tyler, covering 156 ZIP codes in 38 counties