ZIP Code 43780

43780 is one of Ohio's ZIP codes, delivering to addresses in Senecaville, Guernsey County.

City: Senecaville
County: Guernsey County
State: Ohio
Prefix: 437xx

Where this code sits

43780 is part of the 437xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Senecaville.

Senecaville Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 43780 delivers to without sharing its boundary.

ZIP codes nearest 43780

The ZIP codes whose reference points sit closest to 43780.
ZIP code	Distance	Delivers to
ZIP code 43722	3.5 mi	Buffalo, OH
ZIP code 43733	4.6 mi	Derwent, OH
ZIP code 43750	4.8 mi	Kipling, OH
ZIP code 43723	5.2 mi	Byesville, OH
ZIP code 43772	5.6 mi	Pleasant City, OH
ZIP code 43778	6.8 mi	Salesville, OH
ZIP code 43768	7.3 mi	Old Washington, OH
ZIP code 43755	7.8 mi	Lore City, OH

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 43780, plotted from its record coordinates.

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

Scope ZIP code 43780. 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.