In which county is ZIP code 81090 located?

ZIP 81090 is listed under Baca, CO.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 81090: Walsh, CO

ZIP: 81090

County: Baca

Coordinates: 37.35210, -102.25370

ZIP Type: Standard

Time Zone: Mountain Time (MT)

This profile provides an in-depth look at ZIP code 81090, serving Walsh in CO. It lies in Baca and supports delivery, planning, and address verification.

Primary City	Walsh
ZIP Code	81090
County	Baca
State	CO
Latitude / Longitude	37.35210, -102.25370
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 81090 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 81090 is commonly represented around 37.35210, -102.25370. These coordinates help identify the general area within Baca, CO.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 81090 for mail delivery and general location reference in Baca, CO.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Walsh within CO.

Frequently Asked Questions

What is the primary city for ZIP code 81090?

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

In which county is 81090 located?

ZIP code 81090 is situated within Baca, CO.

What are the coordinates for 81090?

The approximate center point is 37.35210 (Latitude) and -102.25370 (Longitude).

Is ZIP code 81090 active?

This page lists ZIP 81090 as Listed based on the latest refresh date shown above.

Does ZIP 81090 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