ZIP Code 43445

43445 is one of Ohio's ZIP codes, delivering to addresses in Martin, Ottawa County.

City: Martin
County: Ottawa County
State: Ohio
Prefix: 434xx

Where this code sits

43445 is part of the 434xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Martin.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 43445 delivers to without sharing its boundary.

ZIP codes nearest 43445

The ZIP codes whose reference points sit closest to 43445.
ZIP code	Distance	Delivers to
ZIP code 43432	2.6 mi	Graytown, OH
ZIP code 43408	2.7 mi	Clay Center, OH
ZIP code 43468	2.8 mi	Williston, OH
ZIP code 43430	3.7 mi	Genoa, OH
ZIP code 43412	5.6 mi	Curtice, OH
ZIP code 43458	5.8 mi	Rocky Ridge, OH
ZIP code 43447	6.6 mi	Millbury, OH
ZIP code 43416	7.2 mi	Elmore, 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 43445, plotted from its record coordinates.

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

Scope ZIP code 43445. 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.