| Business | Phone |
| Northumberland Players 48 King St W #A, Cobourg K9A 2L9 | (905) 372-5856 |
| Cobourg & District Chamber 1111 Elgin St W, Cobourg K9A 5H7 | (905) 372-5831 |
| United Steel Workers-America 1011 William St, Cobourg K9A 5J4 | (905) 372-0225 |
| Cobourg & District Historical 200 Ontario St, Cobourg K9A 5P4 | (905) 377-0413 |
| Cobourg Masonic Temple 20 James St E, Cobourg K9A 1G9 | (905) 372-4020 |
| Columbus Community Ctr 232 Spencer At D'Arcy St E, Cobourg K9A 4L3 | (905) 372-2991 |