ZIP Code 68307

68307 is one of Nebraska's ZIP codes, delivering to addresses in Avoca, Cass County.

City: Avoca
County: Cass County
State: Nebraska
Prefix: 683xx

Where this code sits

68307 is part of the 683xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Avoca.

Avoca Nebraska ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 68307 delivers to without sharing its boundary.

ZIP codes nearest 68307

The ZIP codes whose reference points sit closest to 68307.
ZIP code	Distance	Delivers to
ZIP code 68463	5.0 mi	Weeping Water, NE
ZIP code 68413	5.5 mi	Nehawka, NE
ZIP code 68417	5.9 mi	Otoe, NE
ZIP code 68403	8.2 mi	Manley, NE
ZIP code 68455	10 mi	Union, NE
ZIP code 68349	11 mi	Elmwood, NE
ZIP code 68409	12 mi	Murray, NE
ZIP code 68446	12 mi	Syracuse, 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 68307, plotted from its record coordinates.

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

Scope ZIP code 68307. 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.