ZIP Code 68878

68878 is one of Nebraska's ZIP codes, delivering to addresses in Sumner, Dawson County.

City: Sumner
County: Dawson County
State: Nebraska
Prefix: 688xx

Where this code sits

68878 is part of the 688xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sumner.

Sumner Nebraska ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 68878 delivers to without sharing its boundary.

308 Area code 308

ZIP codes nearest 68878

The ZIP codes whose reference points sit closest to 68878.
ZIP code	Distance	Delivers to
ZIP code 68858	7.6 mi	Miller, NE
ZIP code 68834	9.3 mi	Eddyville, NE
ZIP code 68863	14 mi	Overton, NE
ZIP code 68812	15 mi	Amherst, NE
ZIP code 68850	17 mi	Lexington, NE
ZIP code 68836	17 mi	Elm Creek, NE
ZIP code 68860	18 mi	Oconto, NE
ZIP code 68855	20 mi	Mason City, 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 68878, plotted from its record coordinates.

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

Scope ZIP code 68878. 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.