ZIP Code 51033

51033 is one of Iowa's ZIP codes, delivering to addresses in Linn Grove, Buena Vista County.

City: Linn Grove
County: Buena Vista County
State: Iowa
Prefix: 510xx

Where this code sits

51033 is part of the 510xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Linn Grove.

Linn Grove Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 51033 delivers to without sharing its boundary.

712 Area code 712

ZIP codes nearest 51033

The ZIP codes whose reference points sit closest to 51033.
ZIP code	Distance	Delivers to
ZIP code 50576	5.5 mi	Rembrandt, IA
ZIP code 51047	6.0 mi	Peterson, IA
ZIP code 50585	6.1 mi	Sioux Rapids, IA
ZIP code 50592	11 mi	Truesdale, IA
ZIP code 51357	12 mi	Royal, IA
ZIP code 50565	14 mi	Marathon, IA
ZIP code 51058	14 mi	Sutherland, IA
ZIP code 51002	14 mi	Alta, 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 51033, plotted from its record coordinates.

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

Scope ZIP code 51033. 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.