ZIP Code 73536

73536 is one of Oklahoma's ZIP codes, delivering to addresses in Duncan, Stephens County.

City: Duncan
County: Stephens County
State: Oklahoma
Prefix: 735xx

Where this code sits

73536 is part of the 735xx range, the group of codes handled by one mail processing centre. Duncan is served by 3 ZIP codes in total; the full list, with the county each falls in, is on the Duncan page.

Duncan Oklahoma ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 73536 delivers to without sharing its boundary.

580 Area code 580

ZIP codes nearest 73536

The ZIP codes whose reference points sit closest to 73536.
ZIP code	Distance	Delivers to
ZIP code 73533	5.2 mi	Duncan, OK
ZIP code 73534	7.3 mi	Duncan, OK
ZIP code 73529	10 mi	Comanche, OK
ZIP code 73491	11 mi	Velma, OK
ZIP code 73055	12 mi	Marlow, OK
ZIP code 73442	16 mi	Loco, OK
ZIP code 73425	17 mi	Countyline, OK
ZIP code 73488	18 mi	Tussy, 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 73536, plotted from its record coordinates.

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

Scope ZIP code 73536. 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.