ZIP Code 45309

45309 is one of Ohio's ZIP codes, delivering to addresses in Brookville, Montgomery County.

City: Brookville
County: Montgomery County
State: Ohio
Prefix: 453xx

Where this code sits

45309 is part of the 453xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Brookville.

Brookville Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45309 delivers to without sharing its boundary.

ZIP codes nearest 45309

The ZIP codes whose reference points sit closest to 45309.
ZIP code	Distance	Delivers to
ZIP code 45315	4.2 mi	Clayton, OH
ZIP code 45354	4.5 mi	Phillipsburg, OH
ZIP code 45322	5.1 mi	Englewood, OH
ZIP code 45378	5.7 mi	Verona, OH
ZIP code 45426	5.9 mi	Dayton, OH
ZIP code 45338	6.4 mi	Lewisburg, OH
ZIP code 45345	7.1 mi	New Lebanon, OH
ZIP code 45415	8.2 mi	Dayton, 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 45309, plotted from its record coordinates.

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

Scope ZIP code 45309. 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.