Zip code 76831: Castell, Texas
Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.
About 76831
76831 is a zip code in Castell, Texas (Llano County) covering 8.2 sq mi of land, but the Census Bureau counts no residents living in it. Zip areas like this usually cover an airport, a military installation, an industrial or commercial district, or protected land. See the nearby zip codes below for the surrounding population.
Geography
- City (USPS)
- Castell
- State
- Texas
- County
- Llano County
- Center point
- 30.7576° N, 98.9578° W
- Land area
- 8.2 sq mi
- Water area
- under 0.1 sq mi
- Time zone
- Central Time (UTC-6, UTC-5 in summer)
- Zip type
- Residential delivery area
Zip codes near 76831
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 76820 | Art, TX | 5.3 mi | — |
| 76885 | Valley Spring, TX | 9 mi | — |
| 76869 | Pontotoc, TX | 11 mi | — |
| 76842 | Fredonia, TX | 14 mi | — |
| 78643 | Llano, TX | 15 mi | $68,365 |
| 76832 | Cherokee, TX | 19 mi | $45,536 |
| 76856 | Mason, TX | 19 mi | $74,677 |
| 76887 | Voca, TX | 22 mi | $155,192 |
| 78618 | Doss, TX | 23 mi | $81,528 |
| 78675 | Willow City, TX | 27 mi | $78,472 |
| 78607 | Bluffton, TX | 28 mi | $58,594 |
| 78672 | Tow, TX | 29 mi | $52,813 |
Questions about 76831
What city is zip code 76831?
76831 is assigned to Castell, Texas. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 76831 in?
76831 is in Llano County, Texas.
What is the population of 76831?
The Census Bureau counts no residents in 76831.
What time zone is 76831 in?
76831 is in Central Time.
What zip codes are near 76831?
The closest zip codes to 76831 are 76820, 76885, 76869, 76842, 78643.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 76831, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.