ZIP Code 85550

85550 is one of Arizona's ZIP codes, delivering to addresses in San Carlos, Gila County.

City: San Carlos
County: Gila County
State: Arizona
Prefix: 855xx

Where this code sits

85550 is part of the 855xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to San Carlos.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 85550 delivers to without sharing its boundary.

928 Area code 928

ZIP codes nearest 85550

The ZIP codes whose reference points sit closest to 85550.
ZIP code	Distance	Delivers to
ZIP code 85542	2.4 mi	Peridot, AZ
ZIP code 85502	19 mi	Globe, AZ
ZIP code 85501	20 mi	Globe, AZ
ZIP code 85532	21 mi	Claypool, AZ
ZIP code 85539	24 mi	Miami, AZ
ZIP code 85530	25 mi	Bylas, AZ
ZIP code 85192	30 mi	Winkelman, AZ
ZIP code 85135	30 mi	Hayden, 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 85550, plotted from its record coordinates.

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

Scope ZIP code 85550. 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.