Ontario Counties
From The RadioReference Wiki
- Algoma District County (ON)
- Brant County (ON)
- Bruce County (ON)
- Chatham-Kent County (ON)
- Cochrane District County (ON)
- Dufferin County (ON)
- Durham County (ON)
- Elgin County (ON)
- Essex County (ON)
- Frontenac County (ON)
- Grey County (ON)
- Haldimand County (ON)
- Haliburton County (ON)
- Halton County (ON)
- Hamilton County (ON)
- Hastings County (ON)
- Huron County (ON)
- Kawartha Lakes County (ON)
- Kenora District County (ON)
- Lambton County (ON)
- Lanark County (ON)
- Leeds and Grenville County (ON)
- Lennox and Addington County (ON)
- Manitoulin District County (ON)
- Middlesex County (ON)
- Muskoka District County (ON)
- Niagara County (ON)
- Nipissing District County (ON)
- Norfolk County (ON)
- Northumberland County (ON)
- Ottawa County (ON)
- Oxford County (ON)
- Parry Sound District County (ON)
- Peel County (ON)
- Perth County (ON)
- Peterborough County (ON)
- Prescott and Russell, United Counties of
- Prince Edward County (ON)
- Rainy River District County (ON)
- Renfrew County (ON)
- Simcoe County (ON)
- Stormont, Dundas, Glengarry County (ON)
- Sudbury District County (ON)
- Thunder Bay District County (ON)
- Timiskaming District County (ON)
- Toronto County (ON)
- Waterloo County (ON)
- Wellington County (ON)
- York County (ON)