ZIP Code 46405

46405 is one of Indiana's ZIP codes, delivering to addresses in Lake Station, Lake County.

City: Lake Station
County: Lake County
State: Indiana
Prefix: 464xx

Where this code sits

46405 is part of the 464xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lake Station.

Lake Station Indiana ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 46405 delivers to without sharing its boundary.

219 Area code 219

ZIP codes nearest 46405

The ZIP codes whose reference points sit closest to 46405.
ZIP code	Distance	Delivers to
ZIP code 46403	2.4 mi	Gary, IN
ZIP code 46342	3.0 mi	Hobart, IN
ZIP code 46401	3.4 mi	Gary, IN
ZIP code 46407	3.9 mi	Gary, IN
ZIP code 46409	3.9 mi	Gary, IN
ZIP code 46368	4.5 mi	Portage, IN
ZIP code 46402	4.5 mi	Gary, IN
ZIP code 46408	5.3 mi	Gary, 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 46405, plotted from its record coordinates.

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

Scope ZIP code 46405. 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.