ZIP Code 45370

45370 is one of Ohio's ZIP codes, delivering to addresses in Spring Valley, Greene County.

City: Spring Valley
County: Greene County
State: Ohio
Prefix: 453xx

Where this code sits

45370 is part of the 453xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Spring Valley.

Spring Valley Ohio ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45370 delivers to without sharing its boundary.

ZIP codes nearest 45370

The ZIP codes whose reference points sit closest to 45370.
ZIP code	Distance	Delivers to
ZIP code 45305	3.7 mi	Bellbrook, OH
ZIP code 45068	6.3 mi	Waynesville, OH
ZIP code 45440	6.5 mi	Dayton, OH
ZIP code 45385	7.1 mi	Xenia, OH
ZIP code 45301	7.1 mi	Alpha, OH
ZIP code 45032	7.5 mi	Harveysburg, OH
ZIP code 45458	7.6 mi	Dayton, OH
ZIP code 45434	7.8 mi	Dayton, 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 45370, plotted from its record coordinates.

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

Scope ZIP code 45370. 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.