ZIP Code 85204

85204 is one of Arizona's ZIP codes, delivering to addresses in Mesa, Maricopa County.

City: Mesa
County: Maricopa County
State: Arizona
Prefix: 852xx

Where this code sits

85204 is part of the 852xx range, the group of codes handled by one mail processing centre. Mesa is served by 19 ZIP codes in total; the full list, with the county each falls in, is on the Mesa page.

Mesa Arizona ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 85204 delivers to without sharing its boundary.

ZIP codes nearest 85204

The ZIP codes whose reference points sit closest to 85204.
ZIP code	Distance	Delivers to
ZIP code 85214	2.6 mi	Mesa, AZ
ZIP code 85216	2.6 mi	Mesa, AZ
ZIP code 85274	2.6 mi	Mesa, AZ
ZIP code 85275	2.6 mi	Mesa, AZ
ZIP code 85277	2.6 mi	Mesa, AZ
ZIP code 85213	2.8 mi	Mesa, AZ
ZIP code 85203	2.8 mi	Mesa, AZ
ZIP code 85210	3.2 mi	Mesa, AZ

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 85204, plotted from its record coordinates.

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

Scope ZIP code 85204. 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.