ZIP code · Alpine · Texas · United States
ZIP code 79831 — Alpine
ZIP code 79831 serves Alpine, Texas.
- Postal code
- 79831Single source Value from one source, not cross-checked.
- City
- Alpine
- County
- Brewster
- State
- Texas
- Country
- United States
- Coordinates
- 30.3068, -103.6704 — precision estimated (postal-area centroid)
View on OpenStreetMap - USDA hardiness zone
- 8a (10 to 15 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 432Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 79831 with another ZIP · ZIPs within 25 miles · distance from 79831
Climate — monthly normals
Warmest month Jun (avg high 92°F), coldest Jan (avg low 31°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 61 | 66 | 72 | 80 | 87 | 92 | 91 | 90 | 84 | 79 | 69 | 61 |
| Avg low °F | 31 | 34 | 40 | 47 | 56 | 63 | 64 | 63 | 58 | 49 | 39 | 32 |
| Precip in | 0.5 | 0.4 | 0.4 | 0.5 | 1.0 | 2.3 | 3.0 | 3.0 | 2.4 | 1.3 | 0.6 | 0.6 |
NOAA 1991–2020 climate normals from the nearest station: ALPINE (4.8 mi) · NOAA NCEI
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page