ZIP Code 58640

58640 is one of North Dakota's ZIP codes, delivering to addresses in Killdeer, Dunn County.

City: Killdeer
County: Dunn County
State: North Dakota
Prefix: 586xx

Where this code sits

58640 is part of the 586xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Killdeer.

Killdeer North Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 58640 delivers to without sharing its boundary.

701 Area code 701

ZIP codes nearest 58640

The ZIP codes whose reference points sit closest to 58640.
ZIP code	Distance	Delivers to
ZIP code 58626	8.3 mi	Dunn Center, ND
ZIP code 58642	20 mi	Manning, ND
ZIP code 58636	21 mi	Halliday, ND
ZIP code 58757	23 mi	Mandaree, ND
ZIP code 58634	24 mi	Grassy Butte, ND
ZIP code 58627	28 mi	Fairfield, ND
ZIP code 58625	28 mi	Dodge, ND
ZIP code 58644	28 mi	Marshall, 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 58640, plotted from its record coordinates.

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

Scope ZIP code 58640. 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.