| | Travis County | TX | 48453 | | Austin-Round Rock-San
Marcos, TX 12420 | | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=TravisCounty+TX |
| | Tyler County | TX | 48457 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=TylerCounty+TX |
| | Val Verde County | TX | 48465 | | Del Rio, TX 19620 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=ValVerdeCounty+TX |
| | Walker County | TX | 48471 | | Huntsville, TX 26660 | Houston-Pasadena, TX 288 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=WalkerCounty+TX |
| | Wilbarger County | TX | 48487 | | Vernon, TX 46900 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=WilbargerCounty+TX |
| | Austin County | TX | 48015 | | Houston-Pasadena-The
Woodlands, TX 26420 | Houston-Pasadena, TX 288 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=AustinCounty+TX |
| | Calhoun County | TX | 48057 | | Port Lavaca, TX 38920 | Victoria-Port Lavaca, TX 544 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=CalhounCounty+TX |
| | Carson County | TX | 48065 | | Amarillo, TX 11100 | Amarillo-Borger, TX 108 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=CarsonCounty+TX |
| | Chambers County | TX | 48071 | | Houston-Pasadena-The
Woodlands, TX 26420 | Houston-Pasadena, TX 288 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=ChambersCounty+TX |
| | Ellis County | TX | 48139 | Dallas-Plano-Irving, TX 19124 | Dallas-Fort
Worth-Arlington, TX 19100 | Dallas-Fort Worth, TX-OK 206 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=EllisCounty+TX |