| Business | Phone |
| Montague Municipal Office Montague, Smiths Falls | (613) 283-7478 |
| Montague Municipal Garage Montague, Smiths Falls | (613) 283-5086 |
| Smiths Falls Mayor's Office 77 Beckwith St N, Smiths Falls K7A 2B8 | (613) 283-4124 |
| Smiths Falls Housing Authority 218 Percy St, Smiths Falls K7A 4W8 | (613) 283-2555 |