ZIP Code 81223

81223 is one of Colorado's ZIP codes, delivering to addresses in Cotopaxi, Fremont County.

City: Cotopaxi
County: Fremont County
State: Colorado
Prefix: 812xx

Where this code sits

81223 is part of the 812xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cotopaxi.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 81223 delivers to without sharing its boundary.

719 Area code 719

ZIP codes nearest 81223

The ZIP codes whose reference points sit closest to 81223.
ZIP code	Distance	Delivers to
ZIP code 81233	5.2 mi	Howard, CO
ZIP code 81222	5.3 mi	Coaldale, CO
ZIP code 81232	8.4 mi	Hillside, CO
ZIP code 81215	14 mi	Canon City, CO
ZIP code 81201	20 mi	Salida, CO
ZIP code 81252	22 mi	Westcliffe, CO
ZIP code 81242	23 mi	Poncha Springs, CO
ZIP code 81155	24 mi	Villa Grove, 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.

Each point is the reference point for 81223, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 81223. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.