C01 ~ C10 - Toronto     /     C11 - East York    /     C12 ~ C15 - North York

E01 ~ E2 - Toronto     /     E3 - East York    /     E04 ~ E11 - Scarborough

N01 - Markham     /     N02 - Vaughan    /     N03 - Richmond Hill/Markham/Vaughan
N04 - Richmond Hill/Vaughan     /     N05 - Richmond Hill    /     N06 - Aurora
N07 - Newmarket     /     N08 - Vaughan    /     N10 - Markham    /     N11 - Unionville/Markham
N12, N13 - Whitchurch-Stouffville    /     N14 - King    /     N15 - East Gwillimbury
N16 - Uxbridge    /     N17 - Georgina     /     N19 - New Tecumseh     /     N24 - Brock

W01 - Toronto     /     W02, W03 - Toronto/York    /     W04 - North York/York
W05 - North York     /     W06 ~ W10 - Etobicoke

W12 ~ W20 - Mississauga

Oakville