| | | Comal County | TX | 48091 | | San Antonio-New
Braunfels, TX 41700 | San Antonio-New
Braunfels-Kerrville, TX 484 | Outlying | metro county (urban) | recreation | https://maps.google.com/?q=ComalCounty+TX |
| | | Coryell County | TX | 48099 | | Killeen-Temple, TX 28660 | | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=CoryellCounty+TX |
| | | Crosby County | TX | 48107 | | Lubbock, TX 31180 | Lubbock-Plainview, TX 352 | Outlying | metro county (urban) | farm-dependent | https://maps.google.com/?q=CrosbyCounty+TX |
| | | Dallas County | TX | 48113 | Dallas-Plano-Irving, TX 19124 | Dallas-Fort
Worth-Arlington, TX 19100 | Dallas-Fort Worth, TX-OK 206 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=DallasCounty+TX |
| | | Denton County | TX | 48121 | Dallas-Plano-Irving, TX 19124 | Dallas-Fort
Worth-Arlington, TX 19100 | Dallas-Fort Worth, TX-OK 206 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=DentonCounty+TX |
| | | Ector County | TX | 48135 | | Odessa, TX 36220 | Midland-Odessa-Andrews,
TX 372 | Central | metro county (urban) | mining-dependent | https://maps.google.com/?q=EctorCounty+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 |
| | | El Paso County | TX | 48141 | | El Paso, TX 21340 | El Paso-Las Cruces, TX-NM 238 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=ElPasoCounty+TX |
| | | Falls County | TX | 48145 | | Waco, TX 47380 | | Outlying | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=FallsCounty+TX |
| | | Fort Bend County | TX | 48157 | | Houston-Pasadena-The
Woodlands, TX 26420 | Houston-Pasadena, TX 288 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=FortBendCounty+TX |
