County ZIP codes · Texas · FIPS 48243
Jeff Davis County, TX ZIP Codes
Jeff Davis County, Texas has 2 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 1 of the residential ones extends into a neighboring county.
- ACS2020-24
- Census2020
Where are the ZIP codes of Jeff Davis County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All 2 residential ZIP codes in Jeff Davis County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 79734 | Fort Davis | 1,779 | 1 | $65k | $241k | 100% |
| 79854 | Valentine | 86 | 0 | $34k | $85k | 69% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
1 ZIP code of Jeff Davis County extends into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Jeff Davis | Elsewhere |
|---|---|---|
| 79854 | 69% | Presidio County31% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Jeff Davis County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Jeff Davis County's ZIP codes use 2 prefixes: 797 and 798.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.