ZIP Code 68840

68840 is one of Nebraska's ZIP codes, delivering to addresses in Gibbon, Buffalo County.

City: Gibbon
County: Buffalo County
State: Nebraska
Prefix: 688xx

Where this code sits

68840 is part of the 688xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Gibbon.

Gibbon Nebraska ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 68840 delivers to without sharing its boundary.

308 Area code 308

ZIP codes nearest 68840

The ZIP codes whose reference points sit closest to 68840.
ZIP code	Distance	Delivers to
ZIP code 68876	6.1 mi	Shelton, NE
ZIP code 68847	12 mi	Kearney, NE
ZIP code 68848	12 mi	Kearney, NE
ZIP code 68945	13 mi	Heartwell, NE
ZIP code 68956	14 mi	Kenesaw, NE
ZIP code 68849	14 mi	Kearney, NE
ZIP code 68883	14 mi	Wood River, NE
ZIP code 68845	14 mi	Kearney, 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 68840, plotted from its record coordinates.

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

Scope ZIP code 68840. 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.