ZIP Code 85123

85123 is one of Arizona's ZIP codes, delivering to addresses in Arizona City, Pinal County.

City: Arizona City
County: Pinal County
State: Arizona
Prefix: 851xx

Where this code sits

85123 is part of the 851xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Arizona City.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 85123 delivers to without sharing its boundary.

520 Area code 520

ZIP codes nearest 85123

The ZIP codes whose reference points sit closest to 85123.
ZIP code	Distance	Delivers to
ZIP code 85130	4.6 mi	Casa Grande, AZ
ZIP code 85131	5.1 mi	Eloy, AZ
ZIP code 85193	10 mi	Casa Grande, AZ
ZIP code 85194	10 mi	Casa Grande, AZ
ZIP code 85122	11 mi	Casa Grande, AZ
ZIP code 85141	14 mi	Picacho, AZ
ZIP code 85128	16 mi	Coolidge, AZ
ZIP code 85172	19 mi	Stanfield, 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 85123, plotted from its record coordinates.

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

Scope ZIP code 85123. 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.