ZIP Code 50538

50538 is one of Iowa's ZIP codes, delivering to addresses in Farnhamville, Calhoun County.

City: Farnhamville
County: Calhoun County
State: Iowa
Prefix: 505xx

Where this code sits

50538 is part of the 505xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Farnhamville.

Farnhamville Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50538 delivers to without sharing its boundary.

515 Area code 515

ZIP codes nearest 50538

The ZIP codes whose reference points sit closest to 50538.
ZIP code	Distance	Delivers to
ZIP code 50586	6.1 mi	Somers, IA
ZIP code 50543	6.4 mi	Gowrie, IA
ZIP code 51453	6.9 mi	Lohrville, IA
ZIP code 50050	8.3 mi	Churdan, IA
ZIP code 50523	9.1 mi	Callender, IA
ZIP code 50217	11 mi	Paton, IA
ZIP code 50544	12 mi	Harcourt, IA
ZIP code 50566	13 mi	Moorland, 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 50538, plotted from its record coordinates.

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

Scope ZIP code 50538. 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.