| District of Texas area codes: 817 | |
|---|---|
| Country | United States |
| State/Province | Texas |
| Major City | Dallas |
| Time Zone | Central |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 817-284 | Tarrant | Fort Worth, TX | Southwestern Bell |
| 817-285 | Tarrant | Fort Worth, TX | Southwestern Bell |
| 817-286 | Tarrant | Fort Worth, TX | Level 3 Communications |
| 817-287 | Tarrant | Fort Worth, TX | Tw Telecom Of Texas LLC |
| 817-288 | Tarrant | Fort Worth, TX | Tw Telecom Of Texas LLC |
| 817-289 | Tarrant | Fort Worth, TX | Icg Choice Com, L.p. |
| 817-290 | Tarrant | Keller, TX | Xo Texas |
| 817-291 | Tarrant | Arlington, TX | New Cingular Wireless PCS - IL |
| 817-292 | Tarrant | Fort Worth, TX | Southwestern Bell |
| 817-293 | Tarrant | Fort Worth, TX | Southwestern Bell |
| 817-294 | Tarrant | Fort Worth, TX | Southwestern Bell |
| 817-295 | Johnson | Burleson, TX | Southwestern Bell |
| 817-296 | Tarrant | Arlington, TX | New Cingular Wireless PCS - IL |
| 817-297 | Tarrant | Fort Worth, TX | Southwestern Bell |
| 817-298 | Tarrant | Fort Worth, TX | Southwestern Bell |
| 817-299 | Tarrant | Arlington, TX | Southwestern Bell |
| 817-300 | Tarrant | Fort Worth, TX | Sprint Spectrum L.p. |
| 817-301 | Tarrant | Fort Worth, TX | Grande Communications Networks |
| 817-302 | Tarrant | Fort Worth, TX | Brooks Fiber Properties Of Texas |
| 817-303 | Tarrant | Arlington, TX | Southwestern Bell |
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.