Central Zone of North America: VE3 (Ontario), VE4 (Manitoba), VE5 (Saskatchewan), VE6 (Alberta), VY0 Akimiski Island, and Bear Islands, and Fox Island and East Pen Island in Hudson Bay. Western Zone of North America: VE7 (British Columbia), W6, and the W7 states of Arizona, Idaho, Nevada, Oregon, Utah, and Washington. Prince of Wales, Somerset, Bathurst, Devon, Ellesmere, Baffin and the Melville and Boothia Peninsulas, excluding Akimiski Island, Bear Islands and East Pen Island in Hudson Bay).
Northeastern Zone of North America: VO2 (Labrador), the portion of VE2 Quebec north of the 50th parallel, and Nunavut Territories east of 102 degrees (Includes the islands of King Christian, King William. Northwestern Zone of North America: KL (Alaska), VY1 Yukon, VE8 the Northwest and VY0 Nunavut Territories west of 102 degrees (Includes the islands of Victoria, Banks, Melville, and Prince Patrick).