ZIP Code 51357

51357 is one of Iowa's ZIP codes, delivering to addresses in Royal, Clay County.

City: Royal
County: Clay County
State: Iowa
Prefix: 513xx

Where this code sits

51357 is part of the 513xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Royal.

Royal Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 51357 delivers to without sharing its boundary.

712 Area code 712

ZIP codes nearest 51357

The ZIP codes whose reference points sit closest to 51357.
ZIP code	Distance	Delivers to
ZIP code 51340	6.3 mi	Fostoria, IA
ZIP code 51338	8.2 mi	Everly, IA
ZIP code 51047	8.8 mi	Peterson, IA
ZIP code 51301	9.1 mi	Spencer, IA
ZIP code 51343	11 mi	Greenville, IA
ZIP code 51341	12 mi	Gillett Grove, IA
ZIP code 51058	12 mi	Sutherland, IA
ZIP code 50585	12 mi	Sioux Rapids, 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 51357, plotted from its record coordinates.

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

Scope ZIP code 51357. 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.