| Frontier Communications of Texas | |
| Formerly | State Telephone Company of Texas Southwestern Associated Telephone Company General Telephone Company of the Southwest GTE Southwest Incorporated |
| Company type | Subsidiary |
| Industry | Telecommunications |
| Founded | 1926 |
| Headquarters | Irving, Texas, USA[1] |
| Products | Local Telephone Service |
| Parent | GTE (1926–2000) Verizon (2000–2016) Frontier (2016-present) |
| Website | Verizon – Texas |
Frontier Southwest Incorporated is a Frontier Communications operating company in Texas. At its peak, Frontier Southwest served Arkansas, Oklahoma, Texas, and New Mexico.