ZIP Code 45787

45787 is one of Ohio's ZIP codes, delivering to addresses in Watertown, Washington County.

City: Watertown
County: Washington County
State: Ohio
Prefix: 457xx

Where this code sits

45787 is part of the 457xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Watertown.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45787 delivers to without sharing its boundary.

ZIP codes nearest 45787

The ZIP codes whose reference points sit closest to 45787.
ZIP code	Distance	Delivers to
ZIP code 45786	3.7 mi	Waterford, OH
ZIP code 45729	3.9 mi	Fleming, OH
ZIP code 45712	4.9 mi	Barlow, OH
ZIP code 45715	7.3 mi	Beverly, OH
ZIP code 45721	7.6 mi	Coal Run, OH
ZIP code 45744	7.9 mi	Lowell, OH
ZIP code 45724	8.3 mi	Cutler, OH
ZIP code 45784	9.1 mi	Vincent, 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 45787, plotted from its record coordinates.

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

Scope ZIP code 45787. 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.