| Business | Phone |
| Washington Accounts & Finance 55 W Maiden St, Washington 15301 | (724) 223-4206 |
| Washington Business District 50 E Chestnut St, Washington 15301 | (724) 229-7207 |
| Washington City Adm 55 W Maiden St, Washington 15301 | (724) 223-4208 |
| Washington City Solicitors 55 W Maiden St, Washington 15301 | (724) 223-4214 |
| Washington East Washington Pmp Rr 40 W, Washington 15301 | (724) 225-4441 |
| Washington Electrical Dept 900 E Wheeling St, Washington 15301 | (724) 223-4235 |
| Washington-East Washington 60 E Beau St, Washington 15301 | (724) 225-1010 |
| South Franklin Adm Office 100 Municipal Rd, Washington 15301 | (724) 225-4828 |
| South Franklin Twp Park Comm 100 Municipal Rd, Washington 15301 | (724) 225-4864 |
| South Strabane Township Adm 550 Washington Rd, Washington 15301 | (724) 225-9055 |
| South Strabane Twp Real Estate 550 Washington Rd, Washington 15301 | (724) 225-7244 |
| Township Garage 25 Old Scales Rd, Washington 15301 | (724) 225-4883 |
| Maintenance Building 253 Zediker Station Rd, Washington 15301 | (724) 225-8117 |
| North Franklin Twp Municipal 620 Franklin Farms Rd, Washington 15301 | (724) 228-3330 |
| Buffalo Twp Office 400 Buffalo Center Ln, Washington 15301 | (724) 222-2711 |
| Canton Township Office 655 Grove Ave, Washington 15301 | (724) 225-8990 |
| East Washington Boro Secretary 15 Thayer St, Washington 15301 | (724) 222-2929 |