ZIP Code 86504

86504 is one of Arizona's ZIP codes, delivering to addresses in Fort Defiance, Apache County.

City: Fort Defiance
County: Apache County
State: Arizona
Prefix: 865xx

Where this code sits

86504 is part of the 865xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Fort Defiance.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 86504 delivers to without sharing its boundary.

928 Area code 928

ZIP codes nearest 86504

The ZIP codes whose reference points sit closest to 86504.
ZIP code	Distance	Delivers to
ZIP code 86515	5.3 mi	Window Rock, AZ
ZIP code 86511	7.0 mi	Saint Michaels, AZ
ZIP code 87328	11 mi	Navajo, NM
ZIP code 87320	15 mi	Mexican Springs, NM
ZIP code 87317	21 mi	Gamerco, NM
ZIP code 87319	22 mi	Mentmore, NM
ZIP code 86540	23 mi	Nazlini, AZ
ZIP code 87302	24 mi	Gallup, NM

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 86504, plotted from its record coordinates.

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

Scope ZIP code 86504. 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.