ZIP Code 43436

43436 is one of Ohio's ZIP codes, delivering to addresses in Isle Saint George, Ottawa County.

City: Isle Saint George
County: Ottawa County
State: Ohio
Prefix: 434xx

Where this code sits

43436 is part of the 434xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Isle Saint George.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 43436 delivers to without sharing its boundary.

ZIP codes nearest 43436

The ZIP codes whose reference points sit closest to 43436.
ZIP code	Distance	Delivers to
ZIP code 43446	2.4 mi	Middle Bass, OH
ZIP code 43456	4.4 mi	Put In Bay, OH
ZIP code 43438	9.9 mi	Kelleys Island, OH
ZIP code 43440	13 mi	Lakeside Marblehead, OH
ZIP code 43433	15 mi	Gypsum, OH
ZIP code 43452	15 mi	Port Clinton, OH
ZIP code 43439	18 mi	Lacarne, OH
ZIP code 44871	19 mi	Sandusky, 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 43436, plotted from its record coordinates.

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

Scope ZIP code 43436. 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.