ZIP Code 85623

85623 is one of Arizona's ZIP codes, delivering to addresses in Oracle, Pinal County.

City: Oracle
County: Pinal County
State: Arizona
Prefix: 856xx

Where this code sits

85623 is part of the 856xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Oracle.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 85623 delivers to without sharing its boundary.

520 Area code 520

ZIP codes nearest 85623

The ZIP codes whose reference points sit closest to 85623.
ZIP code	Distance	Delivers to
ZIP code 85738	9.8 mi	Catalina, AZ
ZIP code 85739	11 mi	Tucson, AZ
ZIP code 85631	12 mi	San Manuel, AZ
ZIP code 85618	12 mi	Mammoth, AZ
ZIP code 85737	16 mi	Tucson, AZ
ZIP code 85619	16 mi	Mount Lemmon, AZ
ZIP code 85755	16 mi	Tucson, AZ
ZIP code 85742	21 mi	Tucson, 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 85623, plotted from its record coordinates.

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

Scope ZIP code 85623. 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.