ZIP Code 58237

58237 is one of North Dakota's ZIP codes, delivering to addresses in Grafton, Walsh County.

City: Grafton
County: Walsh County
State: North Dakota
Prefix: 582xx

Where this code sits

58237 is part of the 582xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Grafton.

Grafton North Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 58237 delivers to without sharing its boundary.

701 Area code 701

ZIP codes nearest 58237

The ZIP codes whose reference points sit closest to 58237.
ZIP code	Distance	Delivers to
ZIP code 58261	11 mi	Minto, ND
ZIP code 58243	12 mi	Hoople, ND
ZIP code 58233	13 mi	Forest River, ND
ZIP code 58276	15 mi	Saint Thomas, ND
ZIP code 58270	15 mi	Park River, ND
ZIP code 58273	16 mi	Pisek, ND
ZIP code 58225	16 mi	Drayton, ND
ZIP code 58222	17 mi	Crystal, ND

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 58237, plotted from its record coordinates.

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

Scope ZIP code 58237. 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.