Corporate Headquarters All phone numbers listed below are toll-free when placed within Northwestel's operating area. Phone: 1 867 668-5300 Fax: 1 867 668-7079 Hours: Monday to Friday, 8:00am - 4:30pm PST Mail: Northwestel Inc. 301 Lambert Street PO Box 2727 Whitehorse, YT Y1A 4Y4 Operations Headquarters All phone numbers listed below are toll-free when placed within Northwestel's operating area. Phone: 1 867 920-3500 Fax: 1 867 920-2625 Hours: Monday to Friday, 8:00am - 4:30pm MST Mail: Northwestel Inc. 5201 50th Avenue PO Bag 790 Yellowknife, NT X1A 2R3
