County ZIP codes · Colorado · FIPS 08027
Custer County, CO ZIP Codes
Custer County, Colorado has 4 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 2 of the residential ones lie mainly in Custer County and 2 mainly in a neighboring county; 3 cross the county line. Median household income ranges from $53,969 in 81226 (Florence) to $97,513 in 81069 (Rye) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Custer County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
They carry 4 postal town names: Florence, Westcliffe, Rye, Wetmore.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 4 residential ZIP codes in Custer County
2 ZIP codes lie mainly in Custer County; 2 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 81252 | Westcliffe | 4,763 | 8 | $70k | $402k | 100% |
| 81253 | Wetmore | 524 | 6 | $76k | $285k | 70% |
Partly in Custer County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
3 ZIP codes of Custer County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Custer | Elsewhere |
|---|---|---|
| 81226 | 12% | Fremont County88% |
| 81069 | 15% | Huerfano County48%; Pueblo County36% |
| 81253 | 70% | Fremont County24%; Pueblo County6% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Custer County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Custer County's ZIP codes use 2 prefixes: 810 and 812.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.