ZIP Code 50042

50042 is one of Iowa's ZIP codes, delivering to addresses in Brayton, Audubon County.

City: Brayton
County: Audubon County
State: Iowa
Prefix: 500xx

Where this code sits

50042 is part of the 500xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Brayton.

Brayton Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50042 delivers to without sharing its boundary.

712 Area code 712

ZIP codes nearest 50042

The ZIP codes whose reference points sit closest to 50042.
ZIP code	Distance	Delivers to
ZIP code 51531	5.4 mi	Elk Horn, IA
ZIP code 50076	6.3 mi	Exira, IA
ZIP code 51543	7.1 mi	Kimballton, IA
ZIP code 50117	7.4 mi	Hamlin, IA
ZIP code 51552	9.3 mi	Marne, IA
ZIP code 50022	11 mi	Atlantic, IA
ZIP code 50020	12 mi	Anita, IA
ZIP code 50025	13 mi	Audubon, 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 50042, plotted from its record coordinates.

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

Scope ZIP code 50042. 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.