ZIP Code 68640

68640 is one of Nebraska's ZIP codes, delivering to addresses in Genoa, Nance County.

City: Genoa
County: Nance County
State: Nebraska
Prefix: 686xx

Where this code sits

68640 is part of the 686xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Genoa.

Genoa Nebraska ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 68640 delivers to without sharing its boundary.

ZIP codes nearest 68640

The ZIP codes whose reference points sit closest to 68640.
ZIP code	Distance	Delivers to
ZIP code 68647	8.5 mi	Monroe, NE
ZIP code 68663	10 mi	Silver Creek, NE
ZIP code 68660	11 mi	Saint Edward, NE
ZIP code 68638	12 mi	Fullerton, NE
ZIP code 68634	15 mi	Duncan, NE
ZIP code 68628	15 mi	Clarks, NE
ZIP code 68653	16 mi	Platte Center, NE
ZIP code 68623	17 mi	Belgrade, 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 68640, plotted from its record coordinates.

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

Scope ZIP code 68640. 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.