ZIP Code 50427

50427 is one of Iowa's ZIP codes, delivering to addresses in Chapin, Franklin County.

City: Chapin
County: Franklin County
State: Iowa
Prefix: 504xx

Where this code sits

50427 is part of the 504xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Chapin.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50427 delivers to without sharing its boundary.

641 Area code 641

ZIP codes nearest 50427

The ZIP codes whose reference points sit closest to 50427.
ZIP code	Distance	Delivers to
ZIP code 50475	3.0 mi	Sheffield, IA
ZIP code 50441	6.5 mi	Hampton, IA
ZIP code 50452	8.4 mi	Latimer, IA
ZIP code 50477	9.9 mi	Swaledale, IA
ZIP code 50431	10 mi	Coulter, IA
ZIP code 50605	10 mi	Aredale, IA
ZIP code 50433	11 mi	Dougherty, IA
ZIP code 50420	11 mi	Alexander, 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 50427, plotted from its record coordinates.

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

Scope ZIP code 50427. 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.