TSTCI Geographic
Service Area Map:

TSTCI Member Companies

Service Area Map
TSTCI member companies provide telecommunications services to almost 50 percent of the geographic area of Texas. The size of each company's service area is different. Generally, service areas range in size from 1 to 18 Texas counties. 

This map shows the counties in which each of the 21 cooperative members and the 18 small independent telephone company members provide service.
For a complete listing, click here!


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