County ZIP codes · Colorado · FIPS 08017
Cheyenne County, CO ZIP Codes
Cheyenne County, Colorado has 5 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 4 of the residential ones lie mainly in Cheyenne County and 1 mainly in a neighboring county; 1 cross the county line.
- ACS2020-24
- Census2020
Where are the ZIP codes of Cheyenne County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All 5 residential ZIP codes in Cheyenne County
4 ZIP codes lie mainly in Cheyenne County; 1 more reaches into it from a neighboring county and follows the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 80810 | Cheyenne Wells | 1,145 | 2 | $73k | $188k | 100% |
| 80825 | Kit Carson | 401 | 1 | $69k | $190k | 100% |
| 80802 | Arapahoe | 146 | 0 | $49k | $129k | 100% |
| 80862 | Wild Horse | 47 | 0 | – | $279k | 100% |
Partly in Cheyenne County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 81045 | Haswell | 59 | 0 | – | $113k | 25% |
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?
1 ZIP code of Cheyenne County extends into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Cheyenne | Elsewhere |
|---|---|---|
| 81045 | 25% | Kiowa County59%; Lincoln County17% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Cheyenne County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Cheyenne County's ZIP codes use 2 prefixes: 808 and 810.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.