ZIP Code 74531

74531 is one of Oklahoma's ZIP codes, delivering to addresses in Calvin, Hughes County.

City: Calvin
County: Hughes County
State: Oklahoma
Prefix: 745xx

Where this code sits

74531 is part of the 745xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Calvin.

Calvin Oklahoma ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 74531 delivers to without sharing its boundary.

ZIP codes nearest 74531

The ZIP codes whose reference points sit closest to 74531.
ZIP code	Distance	Delivers to
ZIP code 74827	6.6 mi	Atwood, OK
ZIP code 74570	7.5 mi	Stuart, OK
ZIP code 74825	8.2 mi	Allen, OK
ZIP code 74848	15 mi	Holdenville, OK
ZIP code 74867	16 mi	Sasakwa, OK
ZIP code 74850	17 mi	Lamar, OK
ZIP code 74844	18 mi	Francis, OK
ZIP code 74534	19 mi	Centrahoma, 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 74531, plotted from its record coordinates.

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

Scope ZIP code 74531. 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.