ZIP Code 50128

50128 is one of Iowa's ZIP codes, delivering to addresses in Jamaica, Guthrie County.

City: Jamaica
County: Guthrie County
State: Iowa
Prefix: 501xx

Where this code sits

50128 is part of the 501xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Jamaica.

Jamaica Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50128 delivers to without sharing its boundary.

641 Area code 641

ZIP codes nearest 50128

The ZIP codes whose reference points sit closest to 50128.
ZIP code	Distance	Delivers to
ZIP code 50277	4.9 mi	Yale, IA
ZIP code 50066	5.4 mi	Dawson, IA
ZIP code 50026	6.3 mi	Bagley, IA
ZIP code 50235	8.0 mi	Rippey, IA
ZIP code 50216	10 mi	Panora, IA
ZIP code 50220	11 mi	Perry, IA
ZIP code 50129	12 mi	Jefferson, IA
ZIP code 50029	12 mi	Bayard, 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 50128, plotted from its record coordinates.

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

Scope ZIP code 50128. 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.