Post office locations in 18631
| Post Office | Address | Phone | Hours |
| MIFFLINVILLE | 206 MARKET ST MIFFLINVILLE, PA 18631 - 9998 | 570-759-1318 | Mon-Fri 8:00am - 12:00pm 1:00pm - 4:30pm Sat 10:00am - 12:00pm Sun Closed |
| Post Office | Address | Phone | Hours |
| MIFFLINVILLE | 206 MARKET ST MIFFLINVILLE, PA 18631 - 9998 | 570-759-1318 | Mon-Fri 8:00am - 12:00pm 1:00pm - 4:30pm Sat 10:00am - 12:00pm Sun Closed |