ZIP Code 43550

43550 is one of Ohio's ZIP codes, delivering to addresses in Okolona, Henry County.

City: Okolona
County: Henry County
State: Ohio
Prefix: 435xx

Where this code sits

43550 is part of the 435xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Okolona.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 43550 delivers to without sharing its boundary.

ZIP codes nearest 43550

The ZIP codes whose reference points sit closest to 43550.
ZIP code	Distance	Delivers to
ZIP code 43535	3.7 mi	Malinta, OH
ZIP code 43545	4.7 mi	Napoleon, OH
ZIP code 43527	5.2 mi	Holgate, OH
ZIP code 43523	5.9 mi	Grelton, OH
ZIP code 43524	7.8 mi	Hamler, OH
ZIP code 43510	8.2 mi	Colton, OH
ZIP code 43530	8.7 mi	Jewell, OH
ZIP code 43548	9.0 mi	New Bavaria, 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 43550, plotted from its record coordinates.

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

Scope ZIP code 43550. 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.