ZIP CodesZIP codes in Fremont County, Colorado
Fremont County, Colorado has 11 ZIP codes in this list, from 81212 to 81290. They cover 9 places, among them Canon City, Florence, Coal Creek and Coaldale.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 81212 | Canon City | 672 | 38.445, -105.218 |
| 81215 | Canon City | no area | 38.478, -105.477 |
| 81221 | Coal Creek | 1.1 | 38.361, -105.148 |
| 81222 | Coaldale | 32.0 | 38.382, -105.784 |
| 81223 | Cotopaxi | 402 | 38.370, -105.688 |
| 81226 | Florence | 130 | 38.385, -105.123 |
| 81232 | Hillside | 0.8 | 38.265, -105.612 |
| 81233 | Howard | 57.6 | 38.410, -105.770 |
| 81240 | Penrose | 139 | 38.434, -105.011 |
| 81244 | Rockvale | 1.9 | 38.370, -105.164 |
| 81290 | Florence | no area | 38.390, -105.119 |
The ZIP code areas of Fremont County add up to about 1,436 square miles of land (3,718 sq km) as the Census Bureau draws them. The largest is 81212 (Canon City), with 672 square miles.
Places with more than one code here: Canon City (2 codes), Florence (2 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Canon City, CO 81212.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.