ZIP Code 50585

50585 is one of Iowa's ZIP codes, delivering to addresses in Sioux Rapids, Buena Vista County.

City: Sioux Rapids
County: Buena Vista County
State: Iowa
Prefix: 505xx

Where this code sits

50585 is part of the 505xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sioux Rapids.

Sioux Rapids Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50585 delivers to without sharing its boundary.

712 Area code 712

ZIP codes nearest 50585

The ZIP codes whose reference points sit closest to 50585.
ZIP code	Distance	Delivers to
ZIP code 50576	5.7 mi	Rembrandt, IA
ZIP code 51033	6.1 mi	Linn Grove, IA
ZIP code 51366	7.9 mi	Webb, IA
ZIP code 50565	8.5 mi	Marathon, IA
ZIP code 51341	9.0 mi	Gillett Grove, IA
ZIP code 51343	9.7 mi	Greenville, IA
ZIP code 51047	10 mi	Peterson, IA
ZIP code 51357	12 mi	Royal, 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 50585, plotted from its record coordinates.

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

Scope ZIP code 50585. 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.