| Northern Ontario | Algoma | Algoma and Manitoulin District |
| North Bay | Nipissing District |
| Nipissing District | Cochrane and Timiskaming District |
| Northwest Ontario | Kenora and Rainy River District
Thunder Bay District |
| Sudbury | Regional Municipality of Sudbury
Algoma District (Elliot Lake Portion) and The North Shore |
| Southern Ontario | Grand Valley | Brant County
Perth County
Regional Municipality of Waterloo |
| Grey Bruce | Bruce and Grey County |
| Guelph | Perth and Wellington County
Halton and Wellington County |
| Hamilton | Regional Municipality of Hamilton-Wentworth
Regional Municipality of Haldimand-Norfolk |
| Niagara | Regional Municipality of Niagara |
| Southwestern Ontario | Chatham-Kent | Lambton and Kent County
Chatham and Kent County |
| London | Elgin and Middlesex County
Huron County
Lambton and Kent County |
| Sarnia | Lambton County |
| Windsor | Essex County |
| Central Ontario | Barrie | Muskoka and Parry Sound District
Simcoe District |
| Halton | Regional Municipality of Halton |
| Peel | Dufferin County
Erindale
Mississauga South
Brampton
Streetsville
Cooksville |
| Toronto | City of Toronto (East of Keele Street)
Spadina
Parkdale and High Park
Davenport
St. Paul's |
| West Toronto | Regional Municipality of York (West of Keele Street) |
| York Region | Regional Municipality of York (East of Keele Street) |
| Central Eastern Ontario | Durham | Regional Municipality of Durham |
| Peterborough | Haliburton and Victoria County
Peterborough County |
| Quinte and District | Hastings and Prince Edward County
Northumberland County |
| Eastern Ontario | Cornwall and District | Stormont, Dundas & Glengarry County |
| Ottawa | Lanark County
Regional Municipality of Ottawa-Carleton
Prescott & Russell County
Renfrew County
Ottawa Centre
Ottawa Nepean
Ottawa Orléans |
| Thousand Islands | Frontenac, Lennox & Addington County
Leeds & Grenville County
Lanark County |