ZIP Code 73645

73645 is one of Oklahoma's ZIP codes, delivering to addresses in Erick, Beckham County.

City: Erick
County: Beckham County
State: Oklahoma
Prefix: 736xx

Where this code sits

73645 is part of the 736xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Erick.

Erick Oklahoma ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 73645 delivers to without sharing its boundary.

580 Area code 580

ZIP codes nearest 73645

The ZIP codes whose reference points sit closest to 73645.
ZIP code	Distance	Delivers to
ZIP code 73668	7.3 mi	Texola, OK
ZIP code 73662	14 mi	Sayre, OK
ZIP code 73666	15 mi	Sweetwater, OK
ZIP code 73673	21 mi	Willow, OK
ZIP code 73627	22 mi	Carter, OK
ZIP code 79079	22 mi	Shamrock, TX
ZIP code 73571	23 mi	Vinson, OK
ZIP code 79096	26 mi	Wheeler, TX

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 73645, plotted from its record coordinates.

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

Scope ZIP code 73645. 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.