ZIP Code 50653

50653 is one of Iowa's ZIP codes, delivering to addresses in Marble Rock, Floyd County.

City: Marble Rock
County: Floyd County
State: Iowa
Prefix: 506xx

Where this code sits

50653 is part of the 506xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Marble Rock.

Marble Rock Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50653 delivers to without sharing its boundary.

641 Area code 641

ZIP codes nearest 50653

The ZIP codes whose reference points sit closest to 50653.
ZIP code	Distance	Delivers to
ZIP code 50636	6.6 mi	Greene, IA
ZIP code 50468	7.1 mi	Rockford, IA
ZIP code 50433	8.1 mi	Dougherty, IA
ZIP code 50605	11 mi	Aredale, IA
ZIP code 50471	12 mi	Rudd, IA
ZIP code 50616	13 mi	Charles City, IA
ZIP code 50611	13 mi	Bristow, IA
ZIP code 50458	14 mi	Nora Springs, 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 50653, plotted from its record coordinates.

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

Scope ZIP code 50653. 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.