In which county is ZIP code 81146 located?

ZIP 81146 is listed under Alamosa, CO.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 81146: Mosca, CO

ZIP: 81146

County: Alamosa

Coordinates: 37.63580, -105.80690

ZIP Type: Standard

Time Zone: Mountain Time (MT)

Explore detailed information for ZIP code 81146 in Mosca, CO. We include verified county details for Alamosa plus key geographic references used for mapping and logistics.

Primary City	Mosca
ZIP Code	81146
County	Alamosa
State	CO
Latitude / Longitude	37.63580, -105.80690
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 81146 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 81146 are listed as 37.63580 / -105.80690, useful for GPS and service checks in and around Mosca, CO.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 81146 for mail delivery and general location reference in Alamosa, CO.

This ZIP may extend beyond the city core into nearby communities within Alamosa.

Related ZIP Codes (Nearby)

Explore other postal codes near Mosca within CO.

Frequently Asked Questions

What is the primary city for ZIP code 81146?

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

In which county is 81146 located?

ZIP code 81146 is situated within Alamosa, CO.

What are the coordinates for 81146?

The approximate center point is 37.63580 (Latitude) and -105.80690 (Longitude).

Is ZIP code 81146 active?

This page lists ZIP 81146 as Listed based on the latest refresh date shown above.

Does ZIP 81146 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