ZIP Code 51054

51054 is one of Iowa's ZIP codes, delivering to addresses in Sergeant Bluff, Woodbury County.

City: Sergeant Bluff
County: Woodbury County
State: Iowa
Prefix: 510xx

Where this code sits

51054 is part of the 510xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sergeant Bluff.

Sergeant Bluff Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 51054 delivers to without sharing its boundary.

712 Area code 712

ZIP codes nearest 51054

The ZIP codes whose reference points sit closest to 51054.
ZIP code	Distance	Delivers to
ZIP code 51111	1.0 mi	Sioux City, IA
ZIP code 51102	2.9 mi	Sioux City, IA
ZIP code 51106	4.5 mi	Sioux City, IA
ZIP code 68731	5.3 mi	Dakota City, NE
ZIP code 68776	5.5 mi	South Sioux City, NE
ZIP code 51052	6.0 mi	Salix, IA
ZIP code 51101	7.1 mi	Sioux City, IA
ZIP code 51105	7.2 mi	Sioux City, IA

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 51054, plotted from its record coordinates.

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

Scope ZIP code 51054. 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.