ZIP Code 43021

43021 is one of Ohio's ZIP codes, delivering to addresses in Galena, Delaware County.

City: Galena
County: Delaware County
State: Ohio
Prefix: 430xx

Where this code sits

43021 is part of the 430xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Galena.

Galena Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 43021 delivers to without sharing its boundary.

ZIP codes nearest 43021

The ZIP codes whose reference points sit closest to 43021.
ZIP code	Distance	Delivers to
ZIP code 43082	3.4 mi	Westerville, OH
ZIP code 43074	4.6 mi	Sunbury, OH
ZIP code 43035	6.0 mi	Lewis Center, OH
ZIP code 43081	6.3 mi	Westerville, OH
ZIP code 43240	6.8 mi	Columbus, OH
ZIP code 43235	8.3 mi	Columbus, OH
ZIP code 43236	8.3 mi	Columbus, OH
ZIP code 43231	8.9 mi	Columbus, 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 43021, plotted from its record coordinates.

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

Scope ZIP code 43021. 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.