ZIP Code 50054

50054 is one of Iowa's ZIP codes, delivering to addresses in Colfax, Jasper County.

City: Colfax
County: Jasper County
State: Iowa
Prefix: 500xx

Where this code sits

50054 is part of the 500xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Colfax.

Colfax Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 50054 delivers to without sharing its boundary.

515 Area code 515

ZIP codes nearest 50054

The ZIP codes whose reference points sit closest to 50054.
ZIP code	Distance	Delivers to
ZIP code 50169	5.9 mi	Mitchellville, IA
ZIP code 50228	6.5 mi	Prairie City, IA
ZIP code 50127	7.3 mi	Ira, IA
ZIP code 50168	7.8 mi	Mingo, IA
ZIP code 50035	10 mi	Bondurant, IA
ZIP code 50028	11 mi	Baxter, IA
ZIP code 50208	11 mi	Newton, IA
ZIP code 50009	11 mi	Altoona, 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 50054, plotted from its record coordinates.

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

Scope ZIP code 50054. 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.