Frontier Southwest
Frontier Southwest is a Texas telecommunications operating company that has operated under several corporate owners and names, and is currently part of Verizon Communications.
Last updated August 26, 2026
Overview
Frontier Southwest Incorporated is a telecommunications operating company serving Texas. Its history reflects the consolidation, restructuring, and repeated ownership changes that shaped the former regional Bell System and independent telephone-company landscape in the American Southwest. The company originated as the State Telephone Company of Texas. It subsequently adopted the names Southwestern Associated Telephone Company and General Telephone Company of the Southwest as its business developed within the General Telephone system. The company was later associated with GTE Southwest, the Southwestern operating company of General Telephone and Electronics. In 1996, Contel of New Mexico and Contel of Texas were merged into GTE Southwest, expanding the scope of the Southwestern GTE organization before later divestitures fragmented its former territory. A major restructuring occurred after GTE announced in 1999 that it would sell approximately 1.3 million access lines. Rural Texas operations and New Mexico lines were sold to Valor Telecom, which was later absorbed into Windstream Holdings. GTE's Arkansas operations in Arkansas, Missouri, and Oklahoma were sold to CenturyTel and became associated with CenturyTel of Northwest Arkansas. These transactions removed much of the company's former multistate footprint. After Bell Atlantic acquired GTE in 2000 and adopted the Verizon name, the remaining GTE Southwest organization retained its legal name for a period and continued operating primarily in more populated areas of Texas. It was notable among former GTE operating companies because it did not immediately change its official legal name under Verizon ownership. In 2015, Verizon announced the sale of its wireline operations in California, Florida, and Texas to Frontier Communications. GTE Southwest was included in the Texas portion of that transaction. The transaction closed during the first half of 2016, after which GTE Southwest was renamed Frontier Southwest Incorporated and conducted business under the customer-facing name Frontier Communications of Texas. Its role was therefore that of a regulated local telecommunications operating company within Frontier's broader regional network rather than an independently marketed national consumer brand. In September 2024, Verizon announced an agreement to acquire Frontier Communications for $20 billion. The acquisition was completed on January 20, 2026, returning Frontier's operations, including Frontier Southwest, to Verizon control. Frontier Southwest's present identity is consequently best understood as a Texas operating-company entity within Verizon's telecommunications structure. Public reference material does not identify a separate executive team, standalone consumer product portfolio, or independently reported financial results for the company.
History
Frontier Southwest traces its institutional history to the State Telephone Company of Texas. It later operated as Southwestern Associated Telephone Company and General Telephone Company of the Southwest before becoming part of the GTE Southwestern telephone organization. The company was a regional wireline operator whose territory changed substantially through mergers and divestitures. In 1996, Contel of New Mexico and Contel of Texas were combined with GTE Southwest. GTE subsequently announced a major divestiture program in 1999 involving approximately 1.3 million access lines. Rural Texas lines and New Mexico operations were sold to Valor Telecom, while GTE's Arkansas operations in Arkansas, Missouri, and Oklahoma were sold to CenturyTel. These transactions substantially reduced the former GTE Southwest footprint and left the company focused on more populated Texas markets. Bell Atlantic acquired GTE in 2000 and adopted the Verizon name. GTE Southwest was unusual among former GTE operating companies because it retained its official legal name under Verizon ownership rather than immediately being renamed as a Verizon operating company. Verizon later included GTE Southwest in the sale of its Texas wireline operations to Frontier Communications. Announced in 2015, the transaction closed in the first half of 2016. The company then became Frontier Southwest Incorporated and used Frontier Communications of Texas as its business name. Verizon announced in September 2024 that it would reacquire Frontier Communications for $20 billion. The acquisition closed on January 20, 2026, returning Frontier Southwest to Verizon's corporate group. The available reference material does not establish a distinct standalone management roster, separate financial reporting, or a detailed independently branded product portfolio for Frontier Southwest. Its principal significance is as a regional operating-company entity within successive GTE, Verizon, Frontier, and Verizon ownership structures.
- 2026Frontier returns to Verizon control
Verizon completed its acquisition of Frontier Communications on January 20, 2026, regaining control of Frontier Southwest.
- 2024Verizon announces Frontier reacquisition
Verizon announced a $20 billion agreement to acquire Frontier Communications, including Frontier Southwest.
- 2016Frontier ownership begins
The Verizon-to-Frontier transaction closed during the first half of the year. GTE Southwest was renamed Frontier Southwest Incorporated and did business as Frontier Communications of Texas.
- 2015Sale to Frontier Communications announced
Verizon announced the sale of its wireline operations in California, Florida, and Texas to Frontier Communications, including GTE Southwest.
- 2000Bell Atlantic acquires GTE
Bell Atlantic acquired GTE and subsequently operated under the Verizon name. GTE Southwest retained its legal name for a period under Verizon ownership.
- 1999GTE announces access-line divestitures
GTE announced plans to sell approximately 1.3 million access lines, initiating transactions that fragmented the former GTE Southwest territory.
- 1996Contel operations merged into GTE Southwest
Contel of New Mexico and Contel of Texas were merged into GTE Southwest.
- Formation as State Telephone Company of Texas
The company was established under the name State Telephone Company of Texas, before later adopting Southwestern Associated Telephone Company and General Telephone Company of the Southwest.
Products and positioning
A regional wireline telecommunications operating company focused on providing and maintaining communications infrastructure and services in Texas within larger corporate telecommunications groups.
Wireline telephone servicesFixed-line telecommunications
The company's historical core activity was operating fixed-line telephone infrastructure and access services in Texas. The available reference material describes Frontier Southwest as an operating company rather than specifying a separately branded retail package.
Broadband and internet accessInternet access
As a wireline telecommunications operator, Frontier Southwest has been associated with network-based communications services in its Texas territory. Specific technology generations, plan names, and launch dates are not established in the supplied reference material.
Business telecommunications servicesEnterprise communications
The operating company supports telecommunications infrastructure and related services for business customers within its regional footprint. No standalone Frontier Southwest product catalogue is identified in the available sources.
Flagship businesses
- Texas wireline telecommunications operations
- Frontier Communications of Texas customer services
Brand decisions
- 2024Verizon agreement to reacquire Frontier CommunicationsM&A
Verizon announced an agreement to purchase Frontier Communications and its operating assets.
What changed. Verizon agreed to acquire Frontier Communications for $20 billion, including the Frontier Southwest operating company.
Aftermath. The acquisition closed on January 20, 2026, returning Frontier Southwest to Verizon control.
Announced acquisition value. $20 billion (2024 announcement)
- 2015Transfer of GTE Southwest to Frontier CommunicationsM&A
Verizon decided to sell its wireline operations in California, Florida, and Texas to Frontier Communications.
What changed. GTE Southwest was included in the transaction, which closed during the first half of 2016. The company was then renamed Frontier Southwest Incorporated.
Aftermath. The company operated under the Frontier Communications of Texas business name within Frontier's regional telecommunications network.
- 1999Participation in GTE access-line divestiture programM&A
GTE announced a plan to sell approximately 1.3 million access lines as part of a broad restructuring of its operating-company portfolio.
What changed. Operations in New Mexico and rural Texas were sold to Valor Telecom, while Arkansas operations in Arkansas, Missouri, and Oklahoma were sold to CenturyTel.
Aftermath. The divestitures fragmented the former GTE Southwest territory and left the remaining organization concentrated in more populated areas of Texas.
Recent events
- 2026Verizon completes acquisition of Frontier Communications
Verizon completed its acquisition of Frontier Communications on January 20, 2026, bringing Frontier Southwest and the wider Frontier operating network back under Verizon control.
M&A - 2024Verizon agrees to acquire Frontier Communications
Verizon announced an agreement to acquire Frontier Communications for $20 billion, a transaction that included the Frontier Southwest operating company.
M&A - 2016Frontier Communications completes acquisition of GTE Southwest operations
The transaction transferring the relevant Verizon wireline operations to Frontier Communications closed during the first half of 2016. GTE Southwest was subsequently renamed Frontier Southwest Incorporated and operated under the Frontier Communications of Texas name.
M&ALeadership change - 2015Verizon announces sale of Texas wireline operations to Frontier Communications
Verizon announced that its wireline telecommunications operations in California, Florida, and Texas, including GTE Southwest, would be sold to Frontier Communications.
M&A
Sources
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