ZIP Code 50173

50173 is one of Iowa's ZIP codes, delivering to addresses in Montour, Tama County.

City: Montour
County: Tama County
State: Iowa
Prefix: 501xx

Where this code sits

50173 is part of the 501xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Montour.

Montour Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50173 delivers to without sharing its boundary.

641 Area code 641

ZIP codes nearest 50173

The ZIP codes whose reference points sit closest to 50173.
ZIP code	Distance	Delivers to
ZIP code 50142	4.6 mi	Le Grand, IA
ZIP code 52339	6.2 mi	Tama, IA
ZIP code 52342	7.4 mi	Toledo, IA
ZIP code 50106	7.4 mi	Gilman, IA
ZIP code 50632	8.1 mi	Garwin, IA
ZIP code 50078	8.8 mi	Ferguson, IA
ZIP code 50158	12 mi	Marshalltown, IA
ZIP code 50141	13 mi	Laurel, 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 50173, plotted from its record coordinates.

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

Scope ZIP code 50173. 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.