ZIP codes in Brewster County
6 ZIPs touch Brewster County, Texas. The blue dashed line is the county border; orange ZIPs reach into it.
6
ZIP codes
0
cross the county line
9,440
people in these ZIPs
254
counties in TX
Most people
Brewster County ZIP list
More counties in Texas
- Blanco County8
- Borden County9
- Bosque County11
- Bowie County14
- Brazoria County25
- Brazos County18
- Briscoe County4
- Brooks County2
- Brown County12
- Burleson County8
- Burnet County13
- Caldwell County14
Questions people actually ask
How many ZIP codes are in Brewster County, Texas?
6 ZIP codes reach into Brewster County, including 1 PO Box or single-address ZIPs placed by the town they serve. Every ZIP area here lies wholly inside the county.
Which ZIP code in Brewster County has the most people?
79830 (Alpine) has about 7,853 residents, the most of any ZIP touching Brewster County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Brewster County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Brewster County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from