| Business | Phone |
| Castle Rock Twp Hall Office 2537 240th St W, Farmington 55024 | (651) 460-2221 |
| City Arena 114 Spruce St, Farmington 55024 | (651) 463-2510 |
| City Garage 710 1st St, Farmington 55024 | (651) 463-8957 |
| Empire Township Hall 3385 197th St W, Farmington 55024 | (651) 463-4494 |
| Farmington City Adm 325 Oak St, Farmington 55024 | (651) 463-1800 |
| Farmington Engineering Dept 325 Oak St, Farmington 55024 | (651) 463-1600 |
| Farmington Personnel Dept 325 Oak St, Farmington 55024 | (651) 463-1806 |