ZIP Code 50577

50577 is one of Iowa's ZIP codes, delivering to addresses in Renwick, Humboldt County.

City: Renwick
County: Humboldt County
State: Iowa
Prefix: 505xx

Where this code sits

50577 is part of the 505xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Renwick.

Renwick Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50577 delivers to without sharing its boundary.

515 Area code 515

ZIP codes nearest 50577

The ZIP codes whose reference points sit closest to 50577.
ZIP code	Distance	Delivers to
ZIP code 50545	5.1 mi	Hardy, IA
ZIP code 50542	7.7 mi	Goldfield, IA
ZIP code 50558	8.6 mi	Livermore, IA
ZIP code 50430	10 mi	Corwith, IA
ZIP code 50560	11 mi	Lu Verne, IA
ZIP code 50591	11 mi	Thor, IA
ZIP code 50529	13 mi	Dakota City, IA
ZIP code 50447	14 mi	Kanawha, 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 50577, plotted from its record coordinates.

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

Scope ZIP code 50577. 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.