| Post Office | Lewisburg |
| Division | Union |
| Pincode | 17837 |
| Post Office | Mifflinburg |
| Division | Union |
| Pincode | 17844 |
| Post Office | New Columbia |
| Division | Union |
| Pincode | 17856 |
| Post Office | Winfield |
| Division | Union |
| Pincode | 17889 |
| Post Office | Millmont |
| Division | Union |
| Pincode | 17845 |
| Post Office | West Milton |
| Division | Union |
| Pincode | 17886 |
| Post Office | New Berlin |
| Division | Union |
| Pincode | 17855 |
| Post Office | White Deer |
| Division | Union |
| Pincode | 17887 |
| Post Office | Laurelton |
| Division | Union |
| Pincode | 17835 |
12 City in Union | List of Zip Codes Location In Pennsylvania and Your selected County Union