ZIP Code 50436

50436 is one of Iowa's ZIP codes, delivering to addresses in Forest City, Winnebago County.

City: Forest City
County: Winnebago County
State: Iowa
Prefix: 504xx

Where this code sits

50436 is part of the 504xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Forest City.

Forest City Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50436 delivers to without sharing its boundary.

641 Area code 641

ZIP codes nearest 50436

The ZIP codes whose reference points sit closest to 50436.
ZIP code	Distance	Delivers to
ZIP code 50453	5.7 mi	Leland, IA
ZIP code 50432	8.5 mi	Crystal Lake, IA
ZIP code 50478	10 mi	Thompson, IA
ZIP code 50438	11 mi	Garner, IA
ZIP code 50434	11 mi	Fertile, IA
ZIP code 50450	11 mi	Lake Mills, IA
ZIP code 50446	12 mi	Joice, IA
ZIP code 50482	13 mi	Ventura, 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 50436, plotted from its record coordinates.

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

Scope ZIP code 50436. 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.