Montgomery County ZIP Codes
Ohio, United States · 51 codes
Montgomery County in Ohio has 51 ZIP codes, from 45309 to 45490, serving 51 places.
ZIP codes in Montgomery
| ZIP Code | Places |
|---|---|
| 45309 | Brookville |
| 45315 | Clayton |
| 45322 | Englewood |
| 45325 | Farmersville |
| 45327 | Germantown |
| 45342 | Miamisburg |
| 45343 | Miamisburg |
| 45345 | New Lebanon |
| 45354 | Phillipsburg |
| 45377 | Vandalia |
| 45401 | Dayton |
| 45402 | Dayton |
| 45403 | Dayton |
| 45404 | Dayton |
| 45405 | Dayton |
| 45406 | Dayton |
| 45409 | Dayton |
| 45410 | Dayton |
| 45412 | Dayton |
| 45413 | Dayton |
| 45414 | Dayton |
| 45415 | Dayton |
| 45416 | Dayton |
| 45417 | Dayton |
| 45419 | Dayton |
| 45420 | Dayton |
| 45422 | Dayton |
| 45423 | Dayton |
| 45424 | Dayton |
| 45426 | Dayton |
| 45428 | Dayton |
| 45429 | Dayton |
| 45430 | Dayton |
| 45432 | Dayton |
| 45434 | Dayton |
| 45435 | Dayton |
| 45437 | Dayton |
| 45439 | Dayton |
| 45440 | Dayton |
| 45441 | Dayton |
| 45448 | Dayton |
| 45449 | Dayton |
| 45458 | Dayton |
| 45459 | Dayton |
| 45469 | Dayton |
| 45470 | Dayton |
| 45475 | Dayton |
| 45479 | Dayton |
| 45481 | Dayton |
| 45482 | Dayton |
| 45490 | Dayton |
Frequently asked questions
What is the ZIP code of Montgomery?
Montgomery has 51 ZIP codes, from 45309 to 45490. The table lists the places each one serves.
How many places are listed in Montgomery County?
51 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.