ZIP Code 73528

73528 is one of Oklahoma's ZIP codes, delivering to addresses in Chattanooga, Comanche County.

City: Chattanooga
County: Comanche County
State: Oklahoma
Prefix: 735xx

Where this code sits

73528 is part of the 735xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Chattanooga.

Chattanooga Oklahoma ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 73528 delivers to without sharing its boundary.

580 Area code 580

ZIP codes nearest 73528

The ZIP codes whose reference points sit closest to 73528.
ZIP code	Distance	Delivers to
ZIP code 73553	4.8 mi	Loveland, OK
ZIP code 73540	6.0 mi	Faxon, OK
ZIP code 73527	13 mi	Cache, OK
ZIP code 73546	14 mi	Grandfield, OK
ZIP code 73551	14 mi	Hollister, OK
ZIP code 73552	15 mi	Indiahoma, OK
ZIP code 73543	16 mi	Geronimo, OK
ZIP code 73531	17 mi	Devol, 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 73528, plotted from its record coordinates.

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

Scope ZIP code 73528. 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.