Dayton, OH ZIP Codes, Coordinates & Counties

Dayton, Ohio has 27 ZIP codes across 2 counties (Greene and Montgomery). The approximate center of Dayton is 39.746, -84.174. Dayton has about 1,187,676 known street addresses.

ZIP codes
27
Counties
2
State
Ohio (OH)
Coordinates
39.746, -84.174
Mapped addresses
1,187,676

ZIP codes in Dayton, OH

ZIP CodeCountyLatitudeLongitude
45402 Montgomery 39.76 -84.21
45403 Montgomery 39.769 -84.148
45404 Montgomery 39.791 -84.162
45405 Montgomery 39.792 -84.216
45406 Montgomery 39.784 -84.242
45409 Montgomery 39.724 -84.188
45410 Montgomery 39.748 -84.158
45414 Montgomery 39.843 -84.212
45415 Montgomery 39.835 -84.257
45416 Montgomery 39.807 -84.258
45417 Montgomery 39.736 -84.286
45419 Montgomery 39.713 -84.167
45420 Montgomery 39.72 -84.131
45424 Montgomery 39.847 -84.111
45426 Montgomery 39.802 -84.315
45428 Montgomery 39.743 -84.261
45429 Montgomery 39.685 -84.161
45430 Greene 39.713 -84.084
45431 Montgomery 39.765 -84.08
45432 Greene 39.739 -84.086
45433 Greene 39.813 -84.058
45434 Greene 39.722 -84.029
45439 Montgomery 39.701 -84.219
45440 Montgomery 39.674 -84.099
45449 Montgomery 39.665 -84.241
45458 Montgomery 39.601 -84.158
45459 Montgomery 39.647 -84.17

Counties Dayton spans

Greene and Montgomery

Most common streets in Dayton

3rd, Main, Union, 2nd, Dixie, Valley, Wilmington, Frederick, 4th, Webster

Frequently asked questions

What ZIP codes are in Dayton, OH?

Dayton, Ohio has 27 ZIP codes, ranging from 45402 to 45459. The full list, with each ZIP's county and coordinates, is in the table on this page.

What county is Dayton, OH in?

Dayton spans Greene and Montgomery counties.

What are the latitude and longitude of Dayton, OH?

The approximate center of Dayton, Ohio is latitude 39.746, longitude -84.174. Coordinates for each ZIP code are listed in the table above.

How many ZIP codes does Dayton, OH have?

Dayton has 27 ZIP codes.

How many addresses are in Dayton, OH?

Dayton, Ohio has about 1,187,676 known street addresses in the sthan.io US address database.

What are the most common streets in Dayton, OH?

Some of the most common street names in Dayton are 3rd, Main, Union, 2nd, Dixie, Valley.

What cities are near Dayton, OH?

Cities near Dayton include Alpha (8 mi), Bellbrook (9 mi), Miamisburg (10 mi), Vandalia (11 mi), Fairborn (11 mi).

Cities near Dayton

Alpha, OH (8 mi) Bellbrook, OH (9 mi) Miamisburg, OH (10 mi) Vandalia, OH (11 mi) Fairborn, OH (11 mi) Clayton, OH (12 mi) Medway, OH (12 mi) New Lebanon, OH (12 mi)

All Ohio cities →

Need this for any US address, in code?

Get the ZIP code, county, and coordinates for any US address through the sthan.io API. Free 100 requests/month, no credit card required.

View the API →

Last updated: June 2026 · Data: sthan.io US address database