ZIP Code 73838

73838 is one of Oklahoma's ZIP codes, delivering to addresses in Chester, Major County.

City: Chester
County: Major County
State: Oklahoma
Prefix: 738xx

Where this code sits

73838 is part of the 738xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Chester.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 73838 delivers to without sharing its boundary.

580 Area code 580

ZIP codes nearest 73838

The ZIP codes whose reference points sit closest to 73838.
ZIP code	Distance	Delivers to
ZIP code 73663	9.3 mi	Seiling, OK
ZIP code 73853	13 mi	Mutual, OK
ZIP code 73737	16 mi	Fairview, OK
ZIP code 73667	19 mi	Taloga, OK
ZIP code 73852	21 mi	Mooreland, OK
ZIP code 73755	21 mi	Longdale, OK
ZIP code 73770	22 mi	Southard, OK
ZIP code 73860	23 mi	Waynoka, 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 73838, plotted from its record coordinates.

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

Scope ZIP code 73838. 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.