ZIP Code 58554

58554 is one of North Dakota's ZIP codes, delivering to addresses in Mandan, Morton County.

City: Mandan
County: Morton County
State: North Dakota
Prefix: 585xx

Where this code sits

58554 is part of the 585xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Mandan.

Mandan North Dakota ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 58554 delivers to without sharing its boundary.

701 Area code 701

ZIP codes nearest 58554

The ZIP codes whose reference points sit closest to 58554.
ZIP code	Distance	Delivers to
ZIP code 58503	5.9 mi	Bismarck, ND
ZIP code 58501	6.1 mi	Bismarck, ND
ZIP code 58506	6.1 mi	Bismarck, ND
ZIP code 58507	6.1 mi	Bismarck, ND
ZIP code 58505	6.2 mi	Bismarck, ND
ZIP code 58521	11 mi	Baldwin, ND
ZIP code 58502	12 mi	Bismarck, ND
ZIP code 58504	13 mi	Bismarck, 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 58554, plotted from its record coordinates.

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

Scope ZIP code 58554. 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.