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Zone Maps

MROO Zone Map

If you are not sure which Zone you live in, we have two maps to show you the divisions. Each zone is colour coded, and the detailed divisions are described below

Southern and Central Ontario 

[click on enlarged map here for Zone's 1, 2, 3, 4, 5, 6, 7 & 9) ]

mroo zone map for southern and central ontario

Northern Ontario

 

mroo zone map for Northern Ontario

MROO Zones

Zone 1 encompasses the Counties of Essex, Kent and Lambton and includes the following major centres:

  • Windsor

  • Chatham

  • Sarnia

Zone 2 encompasses the Counties of Elgin, Middlesex, Huron, Perth, Oxford, Norfolk and Bruce and includes the following major centres:

  • London

  • Stratford

  • Woodstock

  • Simcoe

  • Goderich

  • St. Thomas

Zone 3 encompasses the city of Hamilton, the Counties of Haldimand, Brant, Wellington, the Regions of Niagara, Waterloo and Halton and includes the following major centres:

  • Hamilton

  • Brantford, Guelph

  • Niagara Falls, St. Catharines

  • Kitchener, Waterloo, Cambridge

  • Oakville, Burlington, Milton, Halton Hills

Zone 4 encompasses the city of Toronto and the Regions of Peel, York and Durham and includes the following major centres:

  • Toronto

  • Mississauga, Brampton, Caledon

  • Vaughan, Richmond Hill, Markham, Newmarket

  • Pickering, Ajax, Whitby, Oshawa, Clarington

 

Zone 5 encompasses the counties of Northumberland, Peterborough, Prince Edward, Hastings, Lennox and Addington, Frontenac and Haliburton and includes the following major centres:

  • Peterborough

  • Kingston

  • Belleville

  • Cobourg

  • Port Hope

Zone 7 encompasses the city of Ottawa and the Counties of Leeds Grenville, Lanark, Dundas Stormont Glengarry, Prescott Russell and Renfrew and includes the following major centres:

  • Ottawa

  • Pembroke

  • Cornwall

  • Brockville

Zone 7 encompasses the districts of Parry Sound, Nipissing, Sudbury, Manitoulin, Algoma, Cochrane and Timiskaming and includes the following major centres:

  • North Bay

  • Parry Sound

  • Timmins

  • Sudbury

  • Sault Ste. Marie

 

Zone 8 encompasses the districts of Thunder Bay, Rainy River and Kenora and includes the following major centres:

  • Thunder Bay

  • Kenora

Zone 9 encompasses the counties of Simcoe, Grey, Dufferin and the District of Muskoka and includes the following major centres:

  • Barrie

  • Orillia

  • Collingwood

  • Owen Sound

  • Lindsay

  • Kawartha Lakes

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