ZIP Code 50540

50540 is one of Iowa's ZIP codes, delivering to addresses in Fonda, Pocahontas County.

City: Fonda
County: Pocahontas County
State: Iowa
Prefix: 505xx

Where this code sits

50540 is part of the 505xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Fonda.

Fonda Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50540 delivers to without sharing its boundary.

712 Area code 712

ZIP codes nearest 50540

The ZIP codes whose reference points sit closest to 50540.
ZIP code	Distance	Delivers to
ZIP code 50593	5.1 mi	Varina, IA
ZIP code 50575	8.3 mi	Pomeroy, IA
ZIP code 50568	8.4 mi	Newell, IA
ZIP code 50551	9.0 mi	Jolley, IA
ZIP code 50574	12 mi	Pocahontas, IA
ZIP code 50561	13 mi	Lytton, IA
ZIP code 50510	14 mi	Albert City, IA
ZIP code 50583	15 mi	Sac City, 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 50540, plotted from its record coordinates.

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

Scope ZIP code 50540. 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.