ZIP Code 50857

50857 is one of Iowa's ZIP codes, delivering to addresses in Nodaway, Adams County.

City: Nodaway
County: Adams County
State: Iowa
Prefix: 508xx

Where this code sits

50857 is part of the 508xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Nodaway.

Nodaway Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50857 delivers to without sharing its boundary.

712 Area code 712

ZIP codes nearest 50857

The ZIP codes whose reference points sit closest to 50857.
ZIP code	Distance	Delivers to
ZIP code 50864	5.6 mi	Villisca, IA
ZIP code 50839	7.0 mi	Carbon, IA
ZIP code 50841	7.5 mi	Corning, IA
ZIP code 51573	12 mi	Stanton, IA
ZIP code 50848	13 mi	Gravity, IA
ZIP code 50847	14 mi	Grant, IA
ZIP code 51646	15 mi	New Market, IA
ZIP code 51591	16 mi	Red Oak, 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 50857, plotted from its record coordinates.

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

Scope ZIP code 50857. 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.