In which county is ZIP code 81503 located?

ZIP 81503 is listed under Mesa, CO.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 81503: Grand Junction, CO

ZIP: 81503

County: Mesa

Coordinates: 39.03070, -108.43610

ZIP Type: Standard

Time Zone: Mountain Time (MT)

Explore detailed information for ZIP code 81503 in Grand Junction, CO. We include verified county details for Mesa plus key geographic references used for mapping and logistics.

Primary City	Grand Junction
ZIP Code	81503
County	Mesa
State	CO
Latitude / Longitude	39.03070, -108.43610
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 81503 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 81503 is commonly represented around 39.03070, -108.43610. These coordinates help identify the general area within Mesa, CO.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 81503 for mail delivery and general location reference in Mesa, CO.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Grand Junction within CO.

Frequently Asked Questions

What is the primary city for ZIP code 81503?

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

In which county is 81503 located?

ZIP code 81503 is situated within Mesa, CO.

What are the coordinates for 81503?

The approximate center point is 39.03070 (Latitude) and -108.43610 (Longitude).

Is ZIP code 81503 active?

This page lists ZIP 81503 as Listed based on the latest refresh date shown above.

Does ZIP 81503 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