ZIP Code 50565

50565 is one of Iowa's ZIP codes, delivering to addresses in Marathon, Buena Vista County.

City: Marathon
County: Buena Vista County
State: Iowa
Prefix: 505xx

Where this code sits

50565 is part of the 505xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Marathon.

Marathon Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50565 delivers to without sharing its boundary.

712 Area code 712

ZIP codes nearest 50565

The ZIP codes whose reference points sit closest to 50565.
ZIP code	Distance	Delivers to
ZIP code 50510	5.7 mi	Albert City, IA
ZIP code 51366	6.2 mi	Webb, IA
ZIP code 50554	6.9 mi	Laurens, IA
ZIP code 50585	8.5 mi	Sioux Rapids, IA
ZIP code 50576	9.5 mi	Rembrandt, IA
ZIP code 51341	11 mi	Gillett Grove, IA
ZIP code 50527	12 mi	Curlew, IA
ZIP code 51343	13 mi	Greenville, 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 50565, plotted from its record coordinates.

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

Scope ZIP code 50565. 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.