ZIP Code 50420

50420 is one of Iowa's ZIP codes, delivering to addresses in Alexander, Franklin County.

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

Where this code sits

50420 is part of the 504xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Alexander.

Alexander Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50420 delivers to without sharing its boundary.

641 Area code 641

ZIP codes nearest 50420

The ZIP codes whose reference points sit closest to 50420.
ZIP code	Distance	Delivers to
ZIP code 50452	5.9 mi	Latimer, IA
ZIP code 50431	6.3 mi	Coulter, IA
ZIP code 50470	6.7 mi	Rowan, IA
ZIP code 50457	7.3 mi	Meservey, IA
ZIP code 50421	9.3 mi	Belmond, IA
ZIP code 50071	11 mi	Dows, IA
ZIP code 50479	11 mi	Thornton, IA
ZIP code 50439	11 mi	Goodell, 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 50420, plotted from its record coordinates.

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

Scope ZIP code 50420. 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.