| | Motley County | TX | 48345 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=MotleyCounty+TX |
| | Oldham County | TX | 48359 | | Amarillo, TX 11100 | Amarillo-Borger, TX 108 | Outlying | metro county (urban) | farm-dependent | https://maps.google.com/?q=OldhamCounty+TX |
| | Parmer County | TX | 48369 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=ParmerCounty+TX |
| | Red River County | TX | 48387 | | Paris, TX 37580 | | Outlying | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=RedRiverCounty+TX |
| | Runnels County | TX | 48399 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=RunnelsCounty+TX |
| | San Saba County | TX | 48411 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=SanSabaCounty+TX |
| | Sherman County | TX | 48421 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=ShermanCounty+TX |
| | Swisher County | TX | 48437 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=SwisherCounty+TX |
| | Throckmorton County | TX | 48447 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=ThrockmortonCounty+TX |
| | Van Zandt County | TX | 48467 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=VanZandtCounty+TX |