ZIP Code 50123

50123 is one of Iowa's ZIP codes, delivering to addresses in Humeston, Wayne County.

City: Humeston
County: Wayne County
State: Iowa
Prefix: 501xx

Where this code sits

50123 is part of the 501xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Humeston.

Humeston Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50123 delivers to without sharing its boundary.

641 Area code 641

ZIP codes nearest 50123

The ZIP codes whose reference points sit closest to 50123.
ZIP code	Distance	Delivers to
ZIP code 50068	6.3 mi	Derby, IA
ZIP code 50103	7.5 mi	Garden Grove, IA
ZIP code 50165	11 mi	Millerton, IA
ZIP code 50060	11 mi	Corydon, IA
ZIP code 50275	12 mi	Woodburn, IA
ZIP code 50264	12 mi	Weldon, IA
ZIP code 50008	12 mi	Allerton, IA
ZIP code 50144	14 mi	Leon, 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 50123, plotted from its record coordinates.

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

Scope ZIP code 50123. 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.