In which county is ZIP code 81102 located?

ZIP 81102 is listed under Alamosa, CO.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 81102: Alamosa, CO

ZIP: 81102

County: Alamosa

Coordinates: 37.47600, -105.88180

ZIP Type: Standard

Time Zone: Mountain Time (MT)

This profile provides an in-depth look at ZIP code 81102, serving Alamosa in CO. It lies in Alamosa and supports delivery, planning, and address verification.

Primary City	Alamosa
ZIP Code	81102
County	Alamosa
State	CO
Latitude / Longitude	37.47600, -105.88180
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 81102 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 81102 is commonly represented around 37.47600, -105.88180. These coordinates help identify the general area within Alamosa, CO.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 81102 for mail delivery and general location reference in Alamosa, CO.

Some addresses near Alamosa may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Alamosa within CO.

Frequently Asked Questions

What is the primary city for ZIP code 81102?

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

In which county is 81102 located?

ZIP code 81102 is situated within Alamosa, CO.

What are the coordinates for 81102?

The approximate center point is 37.47600 (Latitude) and -105.88180 (Longitude).

Is ZIP code 81102 active?

This page lists ZIP 81102 as Listed based on the latest refresh date shown above.

Does ZIP 81102 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