ZIP Code 46278

46278 is one of Indiana's ZIP codes, delivering to addresses in Indianapolis, Marion County.

City

Indianapolis

County

Marion County

State

Indiana

Prefix

462xx

Where this code sits

46278 is part of the 462xx range, the group of codes handled by one mail processing centre. Indianapolis is served by 63 ZIP codes in total; the full list, with the county each falls in, is on the Indianapolis page.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 46278 delivers to without sharing its boundary.

ZIP codes nearest 46278

The ZIP codes whose reference points sit closest to 46278.
ZIP code	Distance	Delivers to
ZIP code 46254	1.7 mi	Indianapolis, IN
ZIP code 46268	3.4 mi	Indianapolis, IN
ZIP code 46228	4.7 mi	Indianapolis, IN
ZIP code 46234	4.9 mi	Indianapolis, IN
ZIP code 46260	5.4 mi	Indianapolis, IN
ZIP code 46224	5.4 mi	Indianapolis, IN
ZIP code 46214	5.6 mi	Indianapolis, IN
ZIP code 46077	5.8 mi	Zionsville, 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 46278, plotted from its record coordinates.

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

Scope ZIP code 46278. 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.