| District of Texas area codes: 817 | |
|---|---|
| Country | United States |
| State/Province | Texas |
| Major City | Dallas |
| Time Zone | Central |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 817-304 | Parker | Weatherford, TX | New Cingular Wireless PCS - IL |
| 817-305 | Dallas | Dallas, TX | Gte-sw DBA Verizon Sw Inc.-tx |
| 817-306 | Tarrant | Fort Worth, TX | Southwestern Bell |
| 817-307 | Tarrant | Arlington, TX | New Cingular Wireless PCS - IL |
| 817-308 | Tarrant | Arlington, TX | New Cingular Wireless PCS - IL |
| 817-309 | Johnson | Godley, TX | Texas Windstream |
| 817-310 | Denton | Roanoke, TX | Southwestern Bell Telephone Company |
| 817-312 | Tarrant | Arlington, TX | New Cingular Wireless PCS - IL |
| 817-313 | Tarrant | Arlington, TX | New Cingular Wireless PCS - IL |
| 817-314 | Tarrant | Fort Worth, TX | Southwestern Bell |
| 817-315 | Tarrant | Fort Worth, TX | Southwestern Bell |
| 817-316 | Tarrant | Fort Worth, TX | Southwestern Bell |
| 817-317 | Tarrant | Fort Worth, TX | Southwestern Bell |
| 817-318 | Tarrant | Euless, TX | Southwestern Bell |
| 817-319 | Tarrant | Fort Worth, TX | New Cingular Wireless PCS - IL |
| 817-320 | Dallas | Grand Prairie, TX | Cellco Partnership DBA Verizon Wireless |
| 817-321 | Tarrant | Fort Worth, TX | Southwestern Bell |
| 817-322 | Tarrant | Keller, TX | Grande Communications Networks |
| 817-323 | Tarrant | Arlington, TX | Southwestern Bell |
| 817-324 | Dallas | Grand Prairie, TX | Tw Telecom Of Texas LLC |
There are 772 prefixes, In the code area, the major cities are Arlington, TX;Bedford, TX;Benbrook, TX;Burleson, T. The major city is Dallas.