ZIP Code 45101

45101 is one of Ohio's ZIP codes, delivering to addresses in Aberdeen, Brown County.

City: Aberdeen
County: Brown County
State: Ohio
Prefix: 451xx

Where this code sits

45101 is part of the 451xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Aberdeen.

Aberdeen Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45101 delivers to without sharing its boundary.

ZIP codes nearest 45101

The ZIP codes whose reference points sit closest to 45101.
ZIP code	Distance	Delivers to
ZIP code 41056	4.2 mi	Maysville, KY
ZIP code 41096	4.7 mi	Washington, KY
ZIP code 41034	6.0 mi	Dover, KY
ZIP code 45167	6.6 mi	Ripley, OH
ZIP code 45144	8.1 mi	Manchester, OH
ZIP code 41062	8.7 mi	Minerva, KY
ZIP code 45105	9.8 mi	Bentonville, OH
ZIP code 45115	11 mi	Decatur, 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 45101, plotted from its record coordinates.

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

Scope ZIP code 45101. 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.