Zip code 79831: Alpine, Texas
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 79831
79831 is a non-residential zip code for Alpine, Texas (Brewster County). It has no delivery area of its own, so the Census Bureau doesn't publish population or housing figures for it. Codes like this are usually assigned to post office boxes, or to a single organization such as a university, hospital, government agency or large company that gets enough mail to need its own zip code.
For a picture of the people who live around 79831, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Alpine
- State
- Texas
- County
- Brewster County
- Center point
- 30.3068° N, 103.6704° W
- Time zone
- Central Time (UTC-6, UTC-5 in summer)
- Zip type
- PO box or unique zip
Zip codes near 79831
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 79832 | Alpine, TX | 4.1 mi | — |
| 79830 | Alpine, TX | 7.1 mi | $66,546 |
| 79734 | Fort Davis, TX | 32 mi | $65,227 |
| 79842 | Marathon, TX | 43 mi | $45,596 |
| 79786 | Toyahvale, TX · PO box | 45 mi | — |
| 79718 | Balmorhea, TX | 48 mi | $58,750 |
| 79780 | Saragosa, TX | 51 mi | — |
| 79843 | Marfa, TX | 54 mi | $45,263 |
| 79735 | Fort Stockton, TX | 59 mi | $78,935 |
| 79854 | Valentine, TX | 60 mi | $33,672 |
| 79845 | Presidio, TX | 63 mi | $42,818 |
| 79852 | Terlingua, TX | 65 mi | $34,712 |
Questions about 79831
What city is zip code 79831?
79831 is assigned to Alpine, Texas. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 79831 in?
79831 is in Brewster County, Texas.
What time zone is 79831 in?
79831 is in Central Time.
What zip codes are near 79831?
The closest zip codes to 79831 are 79832, 79830, 79734, 79842, 79786.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 79831, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.