Union City Area Code List
| Area Codes | Country | State | City | Time Zone | Operating |
|---|---|---|---|---|---|
| 207 | US | Maine - ME | Union | Eastern | Details |
| 269 | US | Michigan - MI | Union | Eastern | Details |
| 304 | US | West Virginia - VA | Union | Eastern | Details |
| 360 | US | Washington - WA | Union | Pacific | Details |
| 402 | US | Nebraska - NE | Union | Central | Details |
| 541 | US | Oregon - OR | Union | Mountain / Pacific | Details |
| 601 | US | Mississippi - MS | Union | Central | Details |
| 636 | US | Missouri - MO | Union | Central | Details |
| 641 | US | Iowa - IA | Union | Central | Details |
| 769 | US | Mississippi - MS | Union | Central | Details |
| 815 | US | Illinois - IL | Union | Central | Details |
| 859 | US | Kentucky - KY | Union | Eastern | Details |
| 864 | US | South Carolina - SC | Union | Eastern | Details |
| 908 | US | New Jersey - NJ | Union | Eastern | Details |