ZIP Code 81525

81525 is one of Colorado's ZIP codes, delivering to addresses in Mack, Mesa County.

City: Mack
County: Mesa County
State: Colorado
Prefix: 815xx

Where this code sits

81525 is part of the 815xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Mack.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 81525 delivers to without sharing its boundary.

ZIP codes nearest 81525

The ZIP codes whose reference points sit closest to 81525.
ZIP code	Distance	Delivers to
ZIP code 81524	6.4 mi	Loma, CO
ZIP code 81521	13 mi	Fruita, CO
ZIP code 81523	20 mi	Glade Park, CO
ZIP code 81505	21 mi	Grand Junction, CO
ZIP code 81506	23 mi	Grand Junction, CO
ZIP code 81507	24 mi	Grand Junction, CO
ZIP code 81501	24 mi	Grand Junction, CO
ZIP code 81504	26 mi	Grand Junction, CO

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 81525, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 81525. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.