ZIP Code 73021

73021 is one of Oklahoma's ZIP codes, delivering to addresses in Colony, Washita County.

City: Colony
County: Washita County
State: Oklahoma
Prefix: 730xx

Where this code sits

73021 is part of the 730xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Colony.

Colony Oklahoma ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 73021 delivers to without sharing its boundary.

ZIP codes nearest 73021

The ZIP codes whose reference points sit closest to 73021.
ZIP code	Distance	Delivers to
ZIP code 73024	6.7 mi	Corn, OK
ZIP code 73033	6.9 mi	Eakly, OK
ZIP code 73048	9.7 mi	Hydro, OK
ZIP code 73096	13 mi	Weatherford, OK
ZIP code 73053	16 mi	Lookeba, OK
ZIP code 73015	16 mi	Carnegie, OK
ZIP code 73632	17 mi	Cordell, OK
ZIP code 73622	18 mi	Bessie, OK

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 73021, plotted from its record coordinates.

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

Scope ZIP code 73021. 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.