| Business | Phone |
| Carroll Valley Borough Office 5685 Fairfield Rd, Fairfield 17320 | (717) 642-8269 |
| Carroll Valley Municipal Svc 5685 Fairfield Rd, Fairfield 17320 | (717) 642-5252 |
| Fairfield Borough Ambulance 108 Steelman Marker Rd, Fairfield 17320 | (717) 642-8105 |
| Fairfield Borough Office 108 W Main St, Fairfield 17320 | (717) 642-5640 |
| Fairfield Municipal Authority 180 Water St, Fairfield 17320 | (717) 642-8317 |
| Freedom Township 2184 Pumping Station Rd, Fairfield 17320 | (717) 337-2926 |
| Hamiltonban Twp Building Dept 23 Carrolls Tract Rd, Fairfield 17320 | (717) 642-8531 |
| Hamiltonban Twp Building Dept 3759 Bullfrog Rd, Fairfield 17320 | (717) 642-8531 |
| Hamiltonban Twp Office 23 Carrolls Tract Rd, Fairfield 17320 | (717) 642-8509 |
| Liberty Township Office 39 Topper Rd, Fairfield 17320 | (717) 642-3780 |
| Liberty Twp Office 39 Topper Rd, Fairfield 17320 | (717) 642-3748 |
| Liberty Twp Road Master 39 Topper Rd, Fairfield 17320 | (717) 642-9842 |