ZIP Code 45107

45107 is one of Ohio's ZIP codes, delivering to addresses in Blanchester, Clinton County.

City: Blanchester
County: Clinton County
State: Ohio
Prefix: 451xx

Where this code sits

45107 is part of the 451xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Blanchester.

Blanchester Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45107 delivers to without sharing its boundary.

ZIP codes nearest 45107

The ZIP codes whose reference points sit closest to 45107.
ZIP code	Distance	Delivers to
ZIP code 45148	4.4 mi	Midland, OH
ZIP code 45162	6.6 mi	Pleasant Plain, OH
ZIP code 45113	7.0 mi	Clarksville, OH
ZIP code 45114	7.3 mi	Cuba, OH
ZIP code 45118	8.2 mi	Fayetteville, OH
ZIP code 45152	8.3 mi	Morrow, OH
ZIP code 45054	8.7 mi	Oregonia, OH
ZIP code 45146	9.3 mi	Martinsville, 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 45107, plotted from its record coordinates.

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

Scope ZIP code 45107. 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.