| Business | Phone |
| Ontario Attorney General 89 Main St, Cambridge N1R 1W1 | (519) 623-0170 |
| Ontario Court Of Justice 89 Main St, Cambridge N1R 1W1 | (519) 621-9220 |
| Ontario Crown Attorney 89 Main St, Cambridge N1R 1W1 | (519) 623-7560 |
| Ontario Driver & Vehicle Dept 561 Hespeler Rd, Cambridge N1R 6J4 | (519) 621-2100 |
| Ontario Family 99 Main St, Cambridge N1R 1W1 | (519) 621-9226 |
| Ontario Parole & Probation 73 Water St N, Cambridge N1R 7L6 | (519) 740-5966 |