ZIP Code 68855

68855 is one of Nebraska's ZIP codes, delivering to addresses in Mason City, Custer County.

City: Mason City
County: Custer County
State: Nebraska
Prefix: 688xx

Where this code sits

68855 is part of the 688xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Mason City.

Mason City Nebraska ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 68855 delivers to without sharing its boundary.

308 Area code 308

ZIP codes nearest 68855

The ZIP codes whose reference points sit closest to 68855.
ZIP code	Distance	Delivers to
ZIP code 68852	8.6 mi	Litchfield, NE
ZIP code 68814	8.6 mi	Ansley, NE
ZIP code 68844	14 mi	Hazard, NE
ZIP code 68881	17 mi	Westerville, NE
ZIP code 68866	17 mi	Pleasanton, NE
ZIP code 68858	17 mi	Miller, NE
ZIP code 68853	19 mi	Loup City, NE
ZIP code 68815	19 mi	Arcadia, 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 68855, plotted from its record coordinates.

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

Scope ZIP code 68855. 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.