ZIP Code 51363

51363 is one of Iowa's ZIP codes, delivering to addresses in Superior, Dickinson County.

City: Superior
County: Dickinson County
State: Iowa
Prefix: 513xx

Where this code sits

51363 is part of the 513xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Superior.

Superior Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 51363 delivers to without sharing its boundary.

712 Area code 712

ZIP codes nearest 51363

The ZIP codes whose reference points sit closest to 51363.
ZIP code	Distance	Delivers to
ZIP code 51334	6.8 mi	Estherville, IA
ZIP code 51364	7.6 mi	Terril, IA
ZIP code 51360	8.3 mi	Spirit Lake, IA
ZIP code 51355	10 mi	Okoboji, IA
ZIP code 51331	10 mi	Arnolds Park, IA
ZIP code 51365	11 mi	Wallingford, IA
ZIP code 56111	11 mi	Alpha, MN
ZIP code 56127	12 mi	Dunnell, MN

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 51363, plotted from its record coordinates.

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

Scope ZIP code 51363. 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.