ZIP Code 85173

85173 is one of Arizona's ZIP codes, delivering to addresses in Superior, Pinal County.

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

Where this code sits

85173 is part of the 851xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Superior.

Superior Arizona ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 85173 delivers to without sharing its boundary.

520 Area code 520

ZIP codes nearest 85173

The ZIP codes whose reference points sit closest to 85173.
ZIP code	Distance	Delivers to
ZIP code 85117	14 mi	Apache Junction, AZ
ZIP code 85118	15 mi	Gold Canyon, AZ
ZIP code 85539	15 mi	Miami, AZ
ZIP code 85532	19 mi	Claypool, AZ
ZIP code 85137	19 mi	Kearny, AZ
ZIP code 85502	19 mi	Globe, AZ
ZIP code 85501	20 mi	Globe, AZ
ZIP code 85190	24 mi	Tortilla Flat, 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 85173, plotted from its record coordinates.

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

Scope ZIP code 85173. 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.