| Business | Phone |
| Canada Plant Health 163 Simcoe St, Peterborough K9H 2H6 | (705) 742-5297 |
| Canada Employment Svc 185 King St, Peterborough K9J 2R8 | (705) 750-4500 |
| Canada Army Reserve 220 Murray St, Peterborough K9H 2S8 | (705) 740-7400 |
| Canada Constituency Office 313 Water St, Peterborough K9J 7W7 | (705) 745-2108 |
| Canada Agriculture 163 Simcoe St, Peterborough K9H 2H6 | (705) 742-6917 |
| Canada Agriculture & Agri-Food 163 Simcoe St, Peterborough K9H 2H6 | (705) 742-2101 |
| Canada Parks Svc Lock 19, Peterborough | (705) 750-4951 |
| Canada Parks Svc Lock 20, Peterborough | (705) 750-4952 |
| Youth Career Ctr 180 Charlotte St #B, Peterborough K9J 2T8 | (705) 748-3742 |
| Canada Correctional Svc 185 King St, Peterborough K9J 2R8 | (705) 742-8889 |
| Canada Customs 185 King St #500, Peterborough K9J 2R8 | (705) 876-4822 |
| Canada Parks Svc Lock 22, Peterborough | (705) 750-4955 |
| Canada Parks Svc Lock 23, Peterborough | (705) 750-4956 |
| Canada Parks Svc Warsaw Rd, Peterborough K9J 6Y2 | (705) 750-4954 |
| Canada Parks Svc Ashburnham Dr, Peterborough K9J 6Z6 | (705) 750-4900 |
| Canada Parks Svc Lock 24, Peterborough | (705) 750-4957 |
| Canada National Defence 220 Murray St, Peterborough K9H 2S8 | (705) 740-7408 |
| Canada Veterans' Affairs 185 King St, Peterborough K9J 2R8 | (705) 750-4850 |