City ZIP codes · Texas
Alpine, TX ZIP Codes
3 ZIP codes use the postal name Alpine, Texas (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 1 for PO boxes or a single organization. Alpine's most populous ZIP code is 79830, with 7,853 people (ACS 2020-2024); 0% of its land is in the city of Alpine.
- ACS2020-24
- Census2020
- GeoNames2026
Where are Alpine's ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All 2 residential ZIP codes of Alpine
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).
PO Box and single-organization ZIP codes in Alpine
1 ZIP code named Alpine has no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.
| ZIP | County |
|---|---|
| 79831 | Brewster County |
Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.
Which counties do Alpine's ZIP codes reach?
Alpine's residential ZIP codes lie in Brewster County.
Which first three digits do Alpine's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Alpine starts with 798.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 798 | El Paso, TX (SCF 798) | 3 | 22 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.