ZIP Code 73018

73018 is one of Oklahoma's ZIP codes, delivering to addresses in Chickasha, Grady County.

City: Chickasha
County: Grady County
State: Oklahoma
Prefix: 730xx

Where this code sits

73018 is part of the 730xx range, the group of codes handled by one mail processing centre. Chickasha is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Chickasha page.

Chickasha Oklahoma ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 73018 delivers to without sharing its boundary.

ZIP codes nearest 73018

The ZIP codes whose reference points sit closest to 73018.
ZIP code	Distance	Delivers to
ZIP code 73023	2.0 mi	Chickasha, OK
ZIP code 73067	7.8 mi	Ninnekah, OK
ZIP code 73092	8.2 mi	Verden, OK
ZIP code 73079	8.9 mi	Pocasset, OK
ZIP code 73004	10 mi	Amber, OK
ZIP code 73002	12 mi	Alex, OK
ZIP code 73017	13 mi	Cement, OK
ZIP code 73005	17 mi	Anadarko, 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 73018, plotted from its record coordinates.

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

Scope ZIP code 73018. 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.