ZIP Code 50137

50137 is one of Iowa's ZIP codes, delivering to addresses in Killduff, Jasper County.

City: Killduff
County: Jasper County
State: Iowa
Prefix: 501xx

Where this code sits

50137 is part of the 501xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Killduff.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50137 delivers to without sharing its boundary.

641 Area code 641

ZIP codes nearest 50137

The ZIP codes whose reference points sit closest to 50137.
ZIP code	Distance	Delivers to
ZIP code 50251	3.9 mi	Sully, IA
ZIP code 50232	6.3 mi	Reasnor, IA
ZIP code 50153	6.6 mi	Lynnville, IA
ZIP code 50135	7.6 mi	Kellogg, IA
ZIP code 50208	9.6 mi	Newton, IA
ZIP code 50242	11 mi	Searsboro, IA
ZIP code 50170	12 mi	Monroe, IA
ZIP code 50214	13 mi	Otley, 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 50137, plotted from its record coordinates.

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

Scope ZIP code 50137. 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.