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Durham Postal Codes: K0M 2J0 to L9P | Ontario

Postal Codes for Durham range from K0M 2J0 to L9P in Ontario, Canada. To find exact Postal Codes and postcodes within Durham, choose from the districts below.

Postal Codes for Places in Durham

Showing 33 places in Durham. Last verified with official records on May 2, 2026.

Ajax
Ashburn
Beaverton
Blackstock
Bond Head
Bowmanville
Brougham
Caesarea
Cannington
Claremont
Courtice
Goodwood
Greenbank
Greenwood
Hampton
Haydon
Kendal
Leaskdale
Manilla
Nestleton Station
Newcastle
Newtonville
Orono
Oshawa
Pickering
Port Perry
Sandford
Seagrave
Sunderland
Uxbridge
Whitby
Whitevale
Zephyr

Sample Address Format for Durham

Sender
[Sender Name]
[Sender Street Address]
[City, ZIP]
[Country]
Recipient
[Recipient Name]
Street Address / PO Box
Durham, Ontario, L1M, L1S, L1T, L1Z
CANADA

Durham on the Map

The map above highlights the geographic boundaries of the Durham districts in Canada.

Durham Quick Facts

CountryCanada (CA)
Administrative PathCanada β†’ Ontario
Postal CodeK0M 2J0~L9P
ProvinceOntario
ISO CodesCA / CAN / 124
Top-level domain (ccTLD).ca
Coordinates44.031047, -78.949678
Places33

What to Know About Durham

Key Facts

Durham is a regional municipality located in Southern Ontario, Canada, positioned immediately east of Toronto along the northwestern shore of Lake Ontario. This administrative region covers approximately 2,523 square kilometers and serves as both a suburban extension of the Greater Toronto Area and a distinct region with its own urban and rural communities. Durham Region is divided into eight local municipalities: Ajax, Brock, Clarington, Oshawa, Pickering, Scugog, Uxbridge, and Whitby, with Oshawa serving as the administrative seat. The region has a population of approximately 745,000 people according to recent census data, making it one of Ontario's significant population centers. Geographically, Durham features diverse landscapes including urban centers, agricultural lands, and natural areas such as the Oak Ridges Moraine and the Lake Ontario shoreline. The region plays a crucial role in Ontario's economy with strengths in manufacturing, education (home to Ontario Tech University and Durham College), healthcare, and growing technology sectors. For those seeking detailed postal code information and location data, Durham's eight constituent municipalities provide comprehensive coverage across this dynamic region of Ontario.

Neighboring Regions

  • York Region
  • Simcoe County
  • Kawartha Lakes
  • Peterborough County
  • Northumberland County
  • Toronto

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