ZIP Code 50628

50628 is one of Iowa's ZIP codes, delivering to addresses in Elma, Howard County.

City: Elma
County: Howard County
State: Iowa
Prefix: 506xx

Where this code sits

50628 is part of the 506xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Elma.

Elma Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50628 delivers to without sharing its boundary.

641 Area code 641

ZIP codes nearest 50628

The ZIP codes whose reference points sit closest to 50628.
ZIP code	Distance	Delivers to
ZIP code 50603	9.1 mi	Alta Vista, IA
ZIP code 50466	10 mi	Riceville, IA
ZIP code 50661	11 mi	North Washington, IA
ZIP code 50620	13 mi	Colwell, IA
ZIP code 52134	14 mi	Chester, IA
ZIP code 52155	14 mi	Lime Springs, IA
ZIP code 52136	15 mi	Cresco, IA
ZIP code 50455	16 mi	Mc Intire, 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 50628, plotted from its record coordinates.

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

Scope ZIP code 50628. 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.