ZIP Code 80521
80521 is one of Colorado's ZIP codes, delivering to addresses in Fort Collins, Larimer County.
- City
- Fort Collins
- County
- Larimer County
- State
- Colorado
- Prefix
- 805xx
Where this code sits
80521 is part of the 805xx range, the group of codes handled by one mail processing centre. Fort Collins is served by 9 ZIP codes in total; the full list, with the county each falls in, is on the Fort Collins page.
Fort Collins Colorado ZIP codes →
Area codes over the same ground
Postal and telephone geography are drawn separately, so these codes cover the area 80521 delivers to without sharing its boundary.
ZIP codes nearest 80521
| ZIP code | Distance | Delivers to |
|---|---|---|
| ZIP code 80523 | 1.1 mi | Fort Collins, CO |
| ZIP code 80527 | 1.1 mi | Fort Collins, CO |
| ZIP code 80553 | 1.1 mi | Fort Collins, CO |
| ZIP code 80526 | 2.4 mi | Fort Collins, CO |
| ZIP code 80524 | 2.7 mi | Fort Collins, CO |
| ZIP code 80525 | 3.9 mi | Fort Collins, CO |
| ZIP code 80535 | 4.4 mi | Laporte, CO |
| ZIP code 80522 | 4.9 mi | Fort Collins, CO |
Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Scope ZIP code 80521. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.