ZIP Code 45121

45121 is one of Ohio's ZIP codes, delivering to addresses in Georgetown, Brown County.

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

Where this code sits

45121 is part of the 451xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Georgetown.

Georgetown Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45121 delivers to without sharing its boundary.

ZIP codes nearest 45121

The ZIP codes whose reference points sit closest to 45121.
ZIP code	Distance	Delivers to
ZIP code 45119	5.4 mi	Feesburg, OH
ZIP code 45130	5.6 mi	Hamersville, OH
ZIP code 45131	6.4 mi	Higginsport, OH
ZIP code 45168	8.0 mi	Russellville, OH
ZIP code 41002	8.8 mi	Augusta, KY
ZIP code 45167	9.3 mi	Ripley, OH
ZIP code 45171	9.8 mi	Sardinia, OH
ZIP code 45120	11 mi	Felicity, 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 45121, plotted from its record coordinates.

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

Scope ZIP code 45121. 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.