| Business | Phone |
| Fairview Township Muni Bldg 1571 Hooker Rd, Karns City 16041 | (724) 756-6591 |
| Karns City Boro Building 116 Main St, Karns City 16041 | (724) 756-4841 |
| Perry Township-Armstrong Co 758 Queenstown Rd, Karns City 16041 | (724) 756-5515 |
| Perry Twp Office Rr 2, Karns City 16041 | (724) 765-5515 |