ZIP Code 50078

50078 is one of Iowa's ZIP codes, delivering to addresses in Ferguson, Marshall County.

City: Ferguson
County: Marshall County
State: Iowa
Prefix: 500xx

Where this code sits

50078 is part of the 500xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Ferguson.

Ferguson Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50078 delivers to without sharing its boundary.

641 Area code 641

ZIP codes nearest 50078

The ZIP codes whose reference points sit closest to 50078.
ZIP code	Distance	Delivers to
ZIP code 50106	3.8 mi	Gilman, IA
ZIP code 50141	4.9 mi	Laurel, IA
ZIP code 50120	6.1 mi	Haverhill, IA
ZIP code 50142	6.6 mi	Le Grand, IA
ZIP code 50158	7.5 mi	Marshalltown, IA
ZIP code 50173	8.8 mi	Montour, IA
ZIP code 50162	11 mi	Melbourne, IA
ZIP code 50632	14 mi	Garwin, 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 50078, plotted from its record coordinates.

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

Scope ZIP code 50078. 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.