ZIP Code 50112

50112 is one of Iowa's ZIP codes, delivering to addresses in Grinnell, Poweshiek County.

City: Grinnell
County: Poweshiek County
State: Iowa
Prefix: 501xx

Where this code sits

50112 is part of the 501xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Grinnell.

Grinnell Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50112 delivers to without sharing its boundary.

641 Area code 641

ZIP codes nearest 50112

The ZIP codes whose reference points sit closest to 50112.
ZIP code	Distance	Delivers to
ZIP code 50135	9.3 mi	Kellogg, IA
ZIP code 50157	10 mi	Malcom, IA
ZIP code 50106	12 mi	Gilman, IA
ZIP code 50153	12 mi	Lynnville, IA
ZIP code 50242	12 mi	Searsboro, IA
ZIP code 50137	13 mi	Killduff, IA
ZIP code 50251	13 mi	Sully, IA
ZIP code 50141	14 mi	Laurel, 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 50112, plotted from its record coordinates.

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

Scope ZIP code 50112. 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.