ZIP Code 50518

50518 is one of Iowa's ZIP codes, delivering to addresses in Barnum, Webster County.

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

Where this code sits

50518 is part of the 505xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Barnum.

Barnum Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50518 delivers to without sharing its boundary.

ZIP codes nearest 50518

The ZIP codes whose reference points sit closest to 50518.
ZIP code	Distance	Delivers to
ZIP code 50552	6.1 mi	Knierim, IA
ZIP code 50566	6.2 mi	Moorland, IA
ZIP code 50524	6.3 mi	Clare, IA
ZIP code 50563	8.2 mi	Manson, IA
ZIP code 50501	9.7 mi	Fort Dodge, IA
ZIP code 50586	12 mi	Somers, IA
ZIP code 50523	12 mi	Callender, IA
ZIP code 50571	12 mi	Palmer, 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 50518, plotted from its record coordinates.

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

Scope ZIP code 50518. 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.