ZIP Code 50588

50588 is one of Iowa's ZIP codes, delivering to addresses in Storm Lake, Buena Vista County.

City: Storm Lake
County: Buena Vista County
State: Iowa
Prefix: 505xx

Where this code sits

50588 is part of the 505xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Storm Lake.

Storm Lake Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50588 delivers to without sharing its boundary.

712 Area code 712

ZIP codes nearest 50588

The ZIP codes whose reference points sit closest to 50588.
ZIP code	Distance	Delivers to
ZIP code 50592	5.5 mi	Truesdale, IA
ZIP code 51002	6.3 mi	Alta, IA
ZIP code 50567	10 mi	Nemaha, IA
ZIP code 50568	11 mi	Newell, IA
ZIP code 51053	11 mi	Schaller, IA
ZIP code 50576	12 mi	Rembrandt, IA
ZIP code 51005	13 mi	Aurelia, IA
ZIP code 50535	14 mi	Early, 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 50588, plotted from its record coordinates.

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

Scope ZIP code 50588. 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.