L0A West Northumberland(Millbrook)
L1A Port Hope
L2A Fort Erie
L3A Not assigned
L4A Stouffville
L5A Mississauga Cawthra →QEW →ON 10 →Burnhamthorpe East
L6A Maple
L7A BramptonWest
L8A Not assigned
L9A Hamilton Escarpment →Upper Wentworth →Stone Church East →Upper James
L0B East Durham Region(Orono)
L1B BowmanvilleEast
L2B Not assigned
L3B WellandEast
L4B Richmond HillSoutheast
L5B Mississauga ON 10 →QEW →Stavebank →Carlanne →Mavis →H.E.P.C.
L6B MarkhamEast
L7B King City
L8B Not assigned
L9B Hamilton Stone Church West →Stone Church East →Upper Wentworth →Twenty (Includes Mother's, Saveryn and Powerline)
L0C West Durham Region(Sunderland)
L1C BowmanvilleCentral
L2C Not assigned
L3C WellandWest
L4C Richmond HillSouthwest
L5C Mississauga Mavis →Carlanne →Stavebank →Credit River →H.E.P.C.
L6C MarkhamNorthwest
L7C Caledon
L8C Not assigned
L9C Hamilton Escarpment →Upper James →Stone Church West →City limit
L0E Lake Simcoe Southeast Shore(Sutton West)
L1E BowmanvilleWest
L2E Niagara FallsCentral
L3E Not assigned
L4E Richmond HillNorth
L5E Mississauga QEW →Etobicoke Creek →Lake Ontario →Cawthra
L6E MarkhamNortheast
L7E Bolton
L8E Hamilton Lake Ontario →Stoney Creek border →Escarpment →Regalview →ON 8 →Nash North
L9E Not assigned
L0G Ontario Centre(Tottenham)
L1G OshawaCentral
L2G Niagara FallsSoutheast
L3G Not assigned
L4G Aurora
L5G Mississauga Cawthra →Lake Ontario →Credit River →QEW
L6G MarkhamInner Southwest
L7G Georgetown
L8G Hamilton ON 8 →Regalview →Escarpment →Webster →TH&B Railway →Nash South
L9G AncasterWest
L0H Whitby Region(Gormley)
L1H OshawaSoutheast
L2H Niagara FallsWest
L3H Not assigned
L4H WoodbridgeNorth
L5H Mississauga Credit River →Lake Ontario →Bexhill →Crescent →South Sheridan →Springbank →Mississauga →Dundas
L6H OakvilleNorth
L7H Not assigned
L8H Hamilton Lake Ontario →QEW →Nash North →Queenston →Main East →Ottawa North
L9H Dundas
L0J North Peel Region(Kleinburg)
L1J OshawaSouthwest
L2J Niagara FallsNorth
L3J Not assigned
L4J ThornhillWest
L5J Mississauga South Sheridan →Crescent →Bexhill →Lake Ontario →Winston Churchill →QEW
L6J OakvilleNortheast
L7J Acton
L8J Hamilton Escarpment →Stoney Creek border →ON 20/53 →Trinity Church →Pritchard →Mud West
L9J Not assigned
L0K Lake Simcoe North Shore(Coldwater)
L1K OshawaEast
L2K Not assigned
L3K Port Colborne
L4K Concord
L5K Mississauga Dundas West →Mississauga →Springbank →QEW →Winston Churchill
L6K OakvilleEast
L7K Not assigned
L8K Hamilton Main East →Queenston →Nash South →TH&B Railway →Webster →Escarpment →Limeridge East →Ottawa South
L9K AncasterEast
L0L Lake Simcoe West Shore(Oro)
L1L OshawaNorth
L2L Not assigned
L3L Not assigned
L4L WoodbridgeSouth
L5L Mississauga Credit River →Dundas West →Ninth Line →H.E.P.C.
L6L OakvilleSouth
L7L BurlingtonNortheast
L8L Hamilton Lake Ontario →Ottawa North →Main East →King East →Wentworth →Wellington North →Cannon East →James North →Barton West →Tiffany
L9L Port Perry
L0M Georgian Bay South Shore(Angus)
L1M WhitbyNorth
L2M St. CatharinesNortheast
L3M Grimsby
L4M BarrieNorth
L5M Mississauga Creditview →H.E.P.C. →Ninth Line →Britannia West
L6M OakvilleWest
L7M BurlingtonNorth
L8M Hamilton Wentworth →King East →Main East →Ottawa South →Escarpment →Upper Wentworth
L9M Penetanguishene
L0N Dufferin(Shelburne)
L1N WhitbySoutheast
L2N St. CatharinesNorthwest
L3N Not assigned
L4N BarrieSouth
L5N Mississauga City limit →Credit River →Creditview →Britannia West →Ninth Line →ON 401 →Winston Churchill
L6N Not assigned
L7N BurlingtonEast
L8N Hamilton James Mountain →James South →King East →Wentworth →Upper Wentworth
L9N Holland Landing
L0P Halton(Campbellville)
L1P WhitbySouthwest
L2P St. CatharinesEast
L3P MarkhamCentral
L4P Keswick
L5P Mississauga Derry East →Airport →Etobicoke border →ON 401 →YYZ border →Dixie
L6P BramptonNorth
L7P BurlingtonWest
L8P Hamilton King West →James South →James Mountain →Escarpment →ON 403
L9P Uxbridge
L0R East Haldimand(Waterdown)
L1R WhitbyCentral
L2R St. CatharinesCentral
L3R MarkhamOuter Southwest
L4R Midland
L5R Mississauga ON 401 →ON 10 →H.E.P.C. →Mavis
L6R BramptonNorthwest
L7R BurlingtonSoutheast
L8R Hamilton Lake Ontario →Tiffany →Barton West →James North →Cannon East →Wellington North →King East →King West →ON 403
L9R Alliston
L0S Niagara(Fonthill)
L1S AjaxSouthwest
L2S St. CatharinesSouthwest
L3S MarkhamSoutheast
L4S Richmond HillCentral
L5S Mississauga Brampton border →Torbram →Derry East →ON 10
L6S BramptonNorth Central
L7S BurlingtonSouth
L8S Hamilton Ancaster Creek →Dundas border →ON 6 →ON 403
L9S Innisfil
L0T Not assigned
L1T AjaxNorthwest
L2T St. CatharinesSouth
L3T ThornhillEast
L4T Mississauga Brampton border →Etobicoke border →Derry East →Torbram
L5T Mississauga Derry East →Dixie →YYZ border →Britannia East →ON 401 →ON 10
L6T BramptonEast
L7T BurlingtonSouthwest
L8T Hamilton Escarpment →Limeridge East →Upper Gage
L9T Milton
L0V Not assigned
L1V PickeringSouthwest
L2V St. CatharinesSoutheast
L3V Orillia
L4V Mississauga Etobicoke border →Airport →Derry East
L5V Mississauga ON 401 →Mavis →H.E.P.C. →Creditview →Credit River
L6V BramptonCentral
L7V Not assigned
L8V Hamilton Escarpment →Upper Gage →Limeridge East →Upper Wentworth
L9V OrangevilleNorth
L0W Not assigned
L1W PickeringSouth
L2W St. CatharinesWest
L3W Not assigned
L4W Mississauga Airport border →ON 401 →Eglinton East →Etobicoke Creek →Burnhamthorpe East →Cawthra →ON 403 →Britannia East
L5W Mississauga Brampton border →ON 10 →ON 401 →Credit River
L6W BramptonSoutheast
L7W Not assigned
L8W Hamilton Limeridge East →Escarpment →Mud West →Pritchard →Trinity Church →City limit →Upper Wentworth
L9W OrangevilleSouth
L0X Not assigned
L1X PickeringCentral
L2X Not assigned
L3X NewmarketSouthwest
L4X Mississauga Etobicoke Creek →QEW →Dixie →Burnhamthorpe East
L5X Not assigned
L6X BramptonSouthwest
L7X Not assigned
L8X Not assigned
L9X Not assigned
L0Y Not assigned
L1Y PickeringNorth
L2Y Not assigned
L3Y NewmarketNortheast
L4Y Mississauga Burnhamthorpe East →Dixie →QEW →Cawthra
L5Y Not assigned
L6Y BramptonSouth
L7Y Not assigned
L8Y Not assigned
L9Y Collingwood
L0Z Not assigned
L1Z AjaxEast
L2Z Not assigned
L3Z Bradford
L4Z Mississauga ON 401 →ON 410 →ON 403 →Cawthra →Burnhamthorpe East →ON 10
L5Z Not assigned
L6Z BramptonWest Central
L7Z Not assigned
L8Z Not assigned
L9Z Wasaga Beach