ZIP Code 46181

46181 is one of Indiana's ZIP codes, delivering to addresses in Trafalgar, Johnson County.

City: Trafalgar
County: Johnson County
State: Indiana
Prefix: 461xx

Where this code sits

46181 is part of the 461xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Trafalgar.

Trafalgar Indiana ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 46181 delivers to without sharing its boundary.

ZIP codes nearest 46181

The ZIP codes whose reference points sit closest to 46181.
ZIP code	Distance	Delivers to
ZIP code 46164	4.6 mi	Nineveh, IN
ZIP code 46160	5.2 mi	Morgantown, IN
ZIP code 46106	9.0 mi	Bargersville, IN
ZIP code 47448	9.4 mi	Nashville, IN
ZIP code 46131	10 mi	Franklin, IN
ZIP code 46124	11 mi	Edinburgh, IN
ZIP code 47435	12 mi	Helmsburg, IN
ZIP code 47280	14 mi	Taylorsville, 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 46181, plotted from its record coordinates.

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

Scope ZIP code 46181. 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.