ZIP Code 85738

85738 is one of Arizona's ZIP codes, delivering to addresses in Catalina, Pima County.

City: Catalina
County: Pima County
State: Arizona
Prefix: 857xx

Where this code sits

85738 is part of the 857xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Catalina.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 85738 delivers to without sharing its boundary.

520 Area code 520

ZIP codes nearest 85738

The ZIP codes whose reference points sit closest to 85738.
ZIP code	Distance	Delivers to
ZIP code 85739	3.3 mi	Tucson, AZ
ZIP code 85737	6.5 mi	Tucson, AZ
ZIP code 85755	6.6 mi	Tucson, AZ
ZIP code 85623	9.8 mi	Oracle, AZ
ZIP code 85742	11 mi	Tucson, AZ
ZIP code 85704	12 mi	Tucson, AZ
ZIP code 85652	13 mi	Cortaro, AZ
ZIP code 85619	13 mi	Mount Lemmon, 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 85738, plotted from its record coordinates.

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

Scope ZIP code 85738. 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.