ZIP Code 46574

46574 is one of Indiana's ZIP codes, delivering to addresses in Walkerton, St. Joseph County.

City: Walkerton
County: St. Joseph County
State: Indiana
Prefix: 465xx

Where this code sits

46574 is part of the 465xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Walkerton.

Walkerton Indiana ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 46574 delivers to without sharing its boundary.

574 Area code 574

ZIP codes nearest 46574

The ZIP codes whose reference points sit closest to 46574.
ZIP code	Distance	Delivers to
ZIP code 46572	5.7 mi	Tyner, IN
ZIP code 46554	6.4 mi	North Liberty, IN
ZIP code 46513	7.5 mi	Donaldson, IN
ZIP code 46532	7.7 mi	Hamlet, IN
ZIP code 46531	8.4 mi	Grovertown, IN
ZIP code 46537	9.0 mi	Lapaz, IN
ZIP code 46365	10 mi	Mill Creek, IN
ZIP code 46346	11 mi	Kingsford Heights, IN

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 46574, plotted from its record coordinates.

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

Scope ZIP code 46574. 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.