ZIP Code 50530

50530 is one of Iowa's ZIP codes, delivering to addresses in Dayton, Webster County.

City: Dayton
County: Webster County
State: Iowa
Prefix: 505xx

Where this code sits

50530 is part of the 505xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Dayton.

Dayton Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50530 delivers to without sharing its boundary.

515 Area code 515

ZIP codes nearest 50530

The ZIP codes whose reference points sit closest to 50530.
ZIP code	Distance	Delivers to
ZIP code 50521	6.3 mi	Burnside, IA
ZIP code 50040	6.5 mi	Boxholm, IA
ZIP code 50557	6.6 mi	Lehigh, IA
ZIP code 50544	6.9 mi	Harcourt, IA
ZIP code 50223	7.3 mi	Pilot Mound, IA
ZIP code 50249	8.3 mi	Stratford, IA
ZIP code 50569	11 mi	Otho, IA
ZIP code 50543	12 mi	Gowrie, 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 50530, plotted from its record coordinates.

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

Scope ZIP code 50530. 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.