Post office locations in 17320
| Post Office | Address | Phone | Hours |
| FAIRFIELD | 6 CARROLLS TRACT RD FAIRFIELD, PA 17320 - 9800 | 717-642-5198 | Mon-Fri 08:30 AM - 04:30 PM Sat 08:00 AM - 11:30 AM Sun Closed |
| Post Office | Address | Phone | Hours |
| FAIRFIELD | 6 CARROLLS TRACT RD FAIRFIELD, PA 17320 - 9800 | 717-642-5198 | Mon-Fri 08:30 AM - 04:30 PM Sat 08:00 AM - 11:30 AM Sun Closed |