| Business | Phone |
| Whapmagoostui Garage Po Box 390, Kuujjuarapik J0M 1G0 | (819) 929-3687 |
| Whapmagoostui Housing Mntnc Street A #416, Kuujjuarapik J0M 1G0 | (819) 929-3820 |
| Whapmagoostui Warehouse Po Box 390, Kuujjuarapik J0M 1G0 | (819) 929-3330 |
| Whapmagoostui First Nation Po Box 390, Kuujjuarapik J0M 1G0 | (819) 929-3111 |
| Whapmagoostui Band Corp Po Box 390, Kuujjuarapik J0M 1G0 | (819) 929-3384 |
| Whapmagoostui Band Council Po Box 390, Kuujjuarapik J0M 1G0 | (819) 929-3484 |
| Whapmagoostui Legislative Dept Po Box 390, Kuujjuarapik J0M 1G0 | (819) 929-3493 |
| Cree Trappers Assn Po Box 390, Kuujjuarapik J0M 1G0 | (819) 929-3528 |