Listing
Zip Codes by County
(UNION County, Ohio Zip Codes)
| Zip Code | City | County | State | Area Code | Time Zone | DST | Latitude | Longitude |
| 43007 | Broadway | UNION | OH | 937 | EST | Y | 40.331800 | -83.417900 |
| 43029 | Irwin | UNION | OH | 740/937 | EST | Y | 40.107325 | -83.450324 |
| 43036 | Magnetic Spring | UNION | OH | 937 | EST | Y | 40.353510 | -83.263138 |
| 43036 | Magnetic Springs | UNION | OH | 937 | EST | Y | 40.353510 | -83.263138 |
| 43036 | Magnetic Spgs | UNION | OH | 937 | EST | Y | 40.353510 | -83.263138 |
| 43040 | Marysville | UNION | OH | 614/740/937 | EST | Y | 40.263560 | -83.368674 |
| 43041 | O M Scott Co | UNION | OH | 937 | EST | Y | 40.236500 | -83.367400 |
| 43041 | Marysville | UNION | OH | 937 | EST | Y | 40.236500 | -83.367400 |
| 43045 | Milford Center | UNION | OH | 937 | EST | Y | 40.169864 | -83.459994 |
| 43045 | Milford Ctr | UNION | OH | 937 | EST | Y | 40.169864 | -83.459994 |
| 43067 | Raymond | UNION | OH | 937 | EST | Y | 40.346676 | -83.487907 |
| 43077 | Unionville Center | UNION | OH | 740 | EST | Y | 40.138067 | -83.348597 |
| 43077 | Unionvlle Ctr | UNION | OH | 740 | EST | Y | 40.138067 | -83.348597 |
| 43344 | Richwood | UNION | OH | 740/937 | EST | Y | 40.425717 | -83.326534 |
