L0B East Durham Regional Municipality (Orono)

L1C Bowmanville West L1H Oshawa Southeast L9L Port Perry L1L Oshawa North L1K Oshawa East L0A West Northumberland County (Millbrook) L1G Oshawa Central L1E Courtice L1M Whitby North L1R Whitby Central L1B Bowmanville East L1J Oshawa Southwest

L1N Whitby Southeast L1P Whitby Southwest L1A Port Hope L9P Uxbridge L0C West Durham Regional Municipality (Sunderland) K9V Lindsay L1Z Ajax East L1T Ajax Northwest L1Y Pickering North L1S Ajax Southwest L1X Pickering Central L0H Whitby Region (Gormley) L1W Pickering South K9K Peterborough (Fairbairn Meadows / Jackson Heights) L1V Pickering Southwest L4A Stouffville L6B Markham East K9H Peterborough North M1X Scarborough (Upper Rouge) K9L Peterborough (Terra View Heights / Woodland Acres / Donwood) M1C Scarborough (Rouge Hill / Port Union / Highland Creek) L6E Markham Northeast M1B Scarborough (Malvern / Rouge River) L3P Markham Central K9J Peterborough South K9A Cobourg L3S Markham Southeast M1E Scarborough (Guildwood / Morningside / Ellesmere)

L0E Lake Simcoe Southeast Shore (Sutton West) M1G Scarborough (Woburn) L6C Markham Northwest M1V Scarborough (Milliken / Agincourt North / Steeles East / L'Amoreaux East) M1S Scarborough (Agincourt) M7Y East Toronto Business Reply Mail Processing Centre 969 Eastern (Enclave of M4L) M1H Scarborough (Cedarbrae) L3R Markham Outer Southwest L6G Markham Inner Southwest M1J Scarborough (Eglinton) M1P Scarborough (Dorset Park / Wexford Heights / Scarborough Town Centre) M1M Scarborough (Cliffside / Cliffcrest / Scarborough Village West) M1W Scarborough (Steeles West / L'Amoreaux West) M1T Scarborough (Clarks Corners / Tam O'Shanter / Sullivan) M1K Scarborough (Kennedy Park / Ionview / East Birchmount Park) L3Y Newmarket Northeast L4S Richmond Hill Central L4E Richmond Hill North M1R Scarborough (Wexford / Maryvale) L4B Richmond Hill Southeast M2H North York (Hillcrest Village) L4G Aurora M2J North York (Fairview / Henry Farm / Oriole) M3A North York (York Heights / Victoria Village / Parkway East) L3T Thornhill East M1L Scarborough (The Golden Mile / Clairlea / Oakridge / Birchmount Park East) M1N Scarborough (Birch Cliff / Cliffside West) L3X Newmarket Southwest M4A North York (Sweeney Park / Wigmore Park) L4C Richmond Hill Southwest L9N Holland Landing L4P Keswick M3C Don Mills South (Flemingdon Park) M2K North York (Bayview Village) M4B East York (Parkview Hill / Woodbine Gardens) M3B Don Mills North M2L North York (York Mills / Silver Hills) M2M Willowdale East (Newtonbrook) M4C East York (Woodbine Heights) M4E East Toronto (The Beaches)