ZIP Code 73056

73056 is one of Oklahoma's ZIP codes, delivering to addresses in Marshall, Logan County.

City: Marshall
County: Logan County
State: Oklahoma
Prefix: 730xx

Where this code sits

73056 is part of the 730xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Marshall.

Marshall Oklahoma ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 73056 delivers to without sharing its boundary.

580 Area code 580

ZIP codes nearest 73056

The ZIP codes whose reference points sit closest to 73056.
ZIP code	Distance	Delivers to
ZIP code 73733	8.0 mi	Douglas, OK
ZIP code 73730	11 mi	Covington, OK
ZIP code 73073	12 mi	Orlando, OK
ZIP code 73757	13 mi	Lucien, OK
ZIP code 73063	13 mi	Mulhall, OK
ZIP code 73736	14 mi	Fairmont, OK
ZIP code 73028	14 mi	Crescent, OK
ZIP code 73720	15 mi	Bison, 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 73056, plotted from its record coordinates.

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

Scope ZIP code 73056. 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.