ZIP Code 85551

85551 is one of Arizona's ZIP codes, delivering to addresses in Solomon, Graham County.

City: Solomon
County: Graham County
State: Arizona
Prefix: 855xx

Where this code sits

85551 is part of the 855xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Solomon.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 85551 delivers to without sharing its boundary.

928 Area code 928

ZIP codes nearest 85551

The ZIP codes whose reference points sit closest to 85551.
ZIP code	Distance	Delivers to
ZIP code 85546	1.2 mi	Safford, AZ
ZIP code 85548	6.9 mi	Safford, AZ
ZIP code 85552	7.0 mi	Thatcher, AZ
ZIP code 85531	9.7 mi	Central, AZ
ZIP code 85543	15 mi	Pima, AZ
ZIP code 85535	18 mi	Eden, AZ
ZIP code 85540	24 mi	Morenci, AZ
ZIP code 85534	25 mi	Duncan, 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 85551, plotted from its record coordinates.

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

Scope ZIP code 85551. 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.