In which county is ZIP code 81223 located?

ZIP 81223 is listed under Fremont, CO.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 81223: Cotopaxi, CO

ZIP: 81223

County: Fremont

Coordinates: 38.37030, -105.68810

ZIP Type: Standard

Time Zone: Mountain Time (MT)

This profile provides an in-depth look at ZIP code 81223, serving Cotopaxi in CO. It lies in Fremont and supports delivery, planning, and address verification.

Primary City	Cotopaxi
ZIP Code	81223
County	Fremont
State	CO
Latitude / Longitude	38.37030, -105.68810
ZIP Type	Standard
Time Zone	Mountain Time (MT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 81223 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 81223 is commonly represented around 38.37030, -105.68810. These coordinates help identify the general area within Fremont, CO.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 81223 for mail delivery and general location reference in Fremont, CO.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Cotopaxi.

Related ZIP Codes (Nearby)

Explore other postal codes near Cotopaxi within CO.

Frequently Asked Questions

What is the primary city for ZIP code 81223?

The primary city for this ZIP code is Cotopaxi, located in CO.

In which county is 81223 located?

ZIP code 81223 is situated within Fremont, CO.

What are the coordinates for 81223?

The approximate center point is 38.37030 (Latitude) and -105.68810 (Longitude).

Is ZIP code 81223 active?

This page lists ZIP 81223 as Listed based on the latest refresh date shown above.

Does ZIP 81223 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08