ZIP Code 68331

68331 is one of Nebraska's ZIP codes, delivering to addresses in Cortland, Gage County.

City: Cortland
County: Gage County
State: Nebraska
Prefix: 683xx

Where this code sits

68331 is part of the 683xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cortland.

Cortland Nebraska ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 68331 delivers to without sharing its boundary.

ZIP codes nearest 68331

The ZIP codes whose reference points sit closest to 68331.
ZIP code	Distance	Delivers to
ZIP code 68358	6.8 mi	Firth, NE
ZIP code 68368	6.8 mi	Hallam, NE
ZIP code 68328	7.5 mi	Clatonia, NE
ZIP code 68422	8.0 mi	Pickrell, NE
ZIP code 68438	9.0 mi	Sprague, NE
ZIP code 68372	9.3 mi	Hickman, NE
ZIP code 68301	9.7 mi	Adams, NE
ZIP code 68404	11 mi	Martell, NE

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 68331, plotted from its record coordinates.

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

Scope ZIP code 68331. 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.