ZIP Code 74631

74631 is one of Oklahoma's ZIP codes, delivering to addresses in Blackwell, Kay County.

City: Blackwell
County: Kay County
State: Oklahoma
Prefix: 746xx

Where this code sits

74631 is part of the 746xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Blackwell.

Blackwell Oklahoma ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 74631 delivers to without sharing its boundary.

580 Area code 580

ZIP codes nearest 74631

The ZIP codes whose reference points sit closest to 74631.
ZIP code	Distance	Delivers to
ZIP code 74646	8.1 mi	Nardin, OK
ZIP code 74653	8.4 mi	Tonkawa, OK
ZIP code 74632	9.2 mi	Braman, OK
ZIP code 74602	11 mi	Ponca City, OK
ZIP code 74636	13 mi	Deer Creek, OK
ZIP code 74647	13 mi	Newkirk, OK
ZIP code 74601	13 mi	Ponca City, OK
ZIP code 74604	14 mi	Ponca City, 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 74631, plotted from its record coordinates.

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

Scope ZIP code 74631. 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.