| District of Texas area codes: 512 | |
|---|---|
| Country | United States |
| State/Province | Texas |
| Major City | Austin |
| Time Zone | Central (UTC-06:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 512-346 | Travis | Austin, TX | Southwestern Bell |
| 512-347 | Travis | Austin, TX | Southwestern Bell |
| 512-348 | Travis | Austin, TX | Cellco Partnership DBA Verizon Wireless |
| 512-349 | Travis | Austin, TX | Southwestern Bell |
| 512-350 | Travis | Austin, TX | Sprint Spectrum L.p. |
| 512-351 | Travis | Austin, TX | Level 3 Communications |
| 512-352 | Williamson | Taylor, TX | Southwestern Bell |
| 512-353 | Hays | San Marcos, TX | Centurytel Of San Marcos DBA Centurylink |
| 512-354 | Coryell | Evant, TX | Cricket Communications |
| 512-355 | Burnet | Bertram, TX | Gte-sw DBA Verizon Sw Inc.-tx (contel) |
| 512-356 | Travis | Austin, TX | Southwestern Bell |
| 512-357 | Caldwell | Martindale, TX | Gte-sw DBA Verizon Sw Inc.-tx (contel) |
| 512-358 | Travis | Austin, TX | Southwestern Bell |
| 512-359 | Caldwell | Lockhart, TX | Teleport Communications America |
| 512-360 | Bastrop | Smithville, TX | Southwestern Bell |
| 512-362 | Travis | Austin, TX | Brooks Fiber Properties Of Texas |
| 512-363 | Hays | Austin, TX | Southwestern Bell |
| 512-364 | Travis | Austin, TX | Cellco Partnership DBA Verizon Wireless |
| 512-365 | Williamson | Taylor, TX | Southwestern Bell |
| 512-366 | Travis | Austin, TX | Southwestern Bell |
There are 759 prefixes, In the code area, the major cities are Austin, TX;Cedar Park, TX;Georgetown, TX;Round Roc. The major city is Austin.