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Frontenac Postal Codes: K0H to K7P | Ontario

Postal Codes for Frontenac range from K0H to K7P in Ontario, Canada. To find exact Postal Codes and postcodes within Frontenac, choose from the districts below.

Postal Codes for Places in Frontenac

Showing 25 places in Frontenac. Last verified with official records on May 2, 2026.

Arden
Ardoch
Battersea
Clarendon Station
Cloyne
Elginburg
Glenburnie
Godfrey
Harrowsmith
Hartington
Inverary
Joyceville
Kingston
Mountain Grove
Ompah
Parham
Perth Road
Plevna
Sharbot Lake
Snow Road Station
Sydenham
Tichborne
Verona
Westbrook
Wolfe Island

Sample Address Format for Frontenac

Sender
[Sender Name]
[Sender Street Address]
[City, ZIP]
[Country]
Recipient
[Recipient Name]
Street Address / PO Box
Frontenac, Ontario, K0H
CANADA

Frontenac on the Map

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

Frontenac Quick Facts

CountryCanada (CA)
Administrative PathCanada β†’ Ontario
Postal CodeK0H~K7P
ProvinceOntario
ISO CodesCA / CAN / 124
Top-level domain (ccTLD).ca
Coordinates44.61029, -76.633042
Places25

What to Know About Frontenac

Key Facts

Frontenac is a county located in Eastern Ontario, Canada, situated along the northern shore of Lake Ontario and stretching inland toward the Canadian Shield. Geographically positioned in the southeastern part of Ontario, Frontenac County encompasses a diverse landscape that transitions from the fertile lowlands near the Great Lakes to the rugged, forested terrain of the Canadian Shield further north. The county covers an area of approximately 3,929 square kilometers and has a population of around 161,000 residents according to recent census data. Frontenac is administratively divided into four lower-tier municipalities: Central Frontenac, Frontenac Islands, North Frontenac, and South Frontenac, along with the separated municipality of Kingston, which serves as the county seat though it operates independently. The region is known for its numerous lakes, including the Rideau Canal system, which provides recreational opportunities and contributes to the area's tourism economy. For those seeking detailed postal code information for the various municipalities and communities within Frontenac County, comprehensive resources are available to assist with location-specific addressing needs.

Neighboring Regions

  • Leeds and Grenville
  • Lennox and Addington
  • Hastings
  • Lanark

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