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This is a list of postal codes in Canada where the first letter is K. Postal codes beginning with K are located within the City of Ottawa, and surrounding eastern and central regions of the Canadian province of Ontario. Only the first three characters are listed, corresponding to the Forward Sortation Area (FSA).
Canada Post provides a free postal code look-up tool on its website, via its mobile apps for such smartphones as the iPhone and BlackBerry, and sells hard-copy directories and CD-ROMs. Many vendors also sell validation tools, which allow customers to properly match addresses and postal codes. Hard-copy directories can also be consulted in all post offices, and some libraries.
Eastern Ontario
There are currently 84 FSAs in this list. No postal codes currently begin with K3* or K5*.
Urban
{| rules="all" width=100% cellspacing=0 cellpadding=2 style="border-collapse: collapse; border: 1px solid #ccc;"
| width=14.2857% valign=top | K1A<br /><span style="font-size: smaller; line-height: 125%;">Government of Canada<br />Ottawa and Gatineau offices (partly in QC)</span>
| width=14.2857% valign=top | K2A<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Highland Park / McKellar Heights / McKellar Park / Glabar Park / Carlingwood)</span>
| width=14.2857% valign=top | K4A<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Fallingbrook)</span>
| width=14.2857% valign=top | K6A<br /><span style="font-size: smaller; line-height: 125%;">Hawkesbury</span>
| width=14.2857% valign=top | K7A<br /><span style="font-size: smaller; line-height: 125%;">Smiths Falls</span>
| width=14.2857% valign=top | K8A<br /><span style="font-size: smaller; line-height: 125%;">Pembroke<br />Central and northern subdivisions</span>
| width=14.2857% valign=top | K9A<br /><span style="font-size: smaller; line-height: 125%;">Cobourg</span>
|-
| width=14.2857% valign=top | K1B<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Blackburn Hamlet / Pine View / Sheffield Glen)</span>
| width=14.2857% valign=top | K2B<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Britannia / Foster Farm / Queensway Terrace North / Whitehaven / Bayshore / Woodpark)</span>
| width=14.2857% valign=top | K4B<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Navan)</span>
| width=14.2857% valign=top style="color: #CCC;" | K6B<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K7B<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top | K8B<br /><span style="font-size: smaller; line-height: 125%;">Pembroke<br />(Pleasant View / Fairview)</span>
| width=14.2857% valign=top style="color: #CCC;" | K9B<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
|-
| width=14.2857% valign=top | K1C<br /><span style="font-size: smaller; line-height: 125%;">Ottawa (Orleans West) <br/> (Chapel Hill, Chateauneuf, Convent Glen, Hiawatha Park, Orleans Village, Orleans Wood) </span>
| width=14.2857% valign=top | K2C<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Queensway Terrace South / Ridgeview / Parkway Park / Kenson Park / Bel-Air Park / Braemar Park / Bel-Air Heights / Copeland Park / Central Park / Carleton Heights / Carleton University)</span>
| width=14.2857% valign=top | K4C<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Cumberland)</span>
| width=14.2857% valign=top style="color: #CCC;" | K6C<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top | K7C<br /><span style="font-size: smaller; line-height: 125%;">Carleton Place</span>
| width=14.2857% valign=top style="color: #CCC;" | K8C<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K9C<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
|-
| width=14.2857% valign=top | K1E<br /><span style="font-size: smaller; line-height: 125%;">Ottawa (Orleans Central)<br />(Queenswood Heights, Queenswood Village)</span>
| width=14.2857% valign=top | K2E<br /><span style="font-size: smaller; line-height: 125%;">Ottawa (Nepean East)<br />(Skyline / Fisher Heights/ Parkwood Hills / Stewart Farm / Borden Farm / Fisher Glen / CitiPlace / Pineglen, Clearview / Country Place)</span>
| width=14.2857% valign=top style="color: #CCC;" | K4E<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K6E<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K7E<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K8E<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K9E<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
|-
| width=14.2857% valign=top | K1G<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Eastway Gardens / Riverview / Hawthorne / Elmvale Acres / Canterbury / Hunt Club Park)</span>
| width=14.2857% valign=top | K2G<br /><span style="font-size: smaller; line-height: 125%;">Ottawa (Nepean Central)<br /> Briargreen, Centrepointe, Ryan Farm, Algonquin College, Meadowlands, City View, Crestview, Craig Henry, Woodvale, Manordale, Tangelwood, Merivale Gardens, Grenfell Glen, Ashdale, Rideau Glen, Davidson Heights, Havenlea)</span>
| width=14.2857% valign=top style="color: #CCC;" | K4G<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K6G<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top | K7G<br /><span style="font-size: smaller; line-height: 125%;">Gananoque</span>
| width=14.2857% valign=top style="color: #CCC;" | K8G<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K9G<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
|-
| width=14.2857% valign=top | K1H<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Alta Vista / Billings Bridge)</span>
| width=14.2857% valign=top | K2H<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Bells Corners / Trend-Arlington / Redwood / Qualicum-Graham Park / Leslie Park / Crystal Beach / Lakeview / Rocky Point / Crystal Bay)</span>
| width=14.2857% valign=top style="color: #CCC;" | K4H<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top | K6H<br /><span style="font-size: smaller; line-height: 125%;">Cornwall<br />East</span>
| width=14.2857% valign=top | K7H<br /><span style="font-size: smaller; line-height: 125%;">Perth</span>
| width=14.2857% valign=top | K8H<br /><span style="font-size: smaller; line-height: 125%;">Petawawa</span>
| width=14.2857% valign=top | K9H<br /><span style="font-size: smaller; line-height: 125%;">Peterborough<br />Central</span>
|-
| width=14.2857% valign=top | K1J<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Beacon Hill / Cyrville / Carson Grove)</span>
| width=14.2857% valign=top | K2J<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Barrhaven)</span>
| width=14.2857% valign=top style="color: #CCC;" | K4J<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top | K6J<br /><span style="font-size: smaller; line-height: 125%;">Cornwall<br />West</span>
| width=14.2857% valign=top style="color: #CCC;" | K7J<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K8J<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top | K9J<br /><span style="font-size: smaller; line-height: 125%;">Peterborough<br />South (Douro-Dummer)</span>
|-
| width=14.2857% valign=top | K1K<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Overbrook, Forbes, Manor Park, Viscount Alexander Park, Carson Meadows)</span>
| width=14.2857% valign=top | K2K<br /><span style="font-size: smaller; line-height: 125%;">Ottawa (Kanata North) <br />(Beaverbrook / Morgan's Grant / Briar Brook / Kanata Lakes)</span>
| width=14.2857% valign=top | K4K<br /><span style="font-size: smaller; line-height: 125%;">Rockland</span>
| width=14.2857% valign=top | K6K<br /><span style="font-size: smaller; line-height: 125%;">Cornwall<br />North</span>
| width=14.2857% valign=top | K7K<br /><span style="font-size: smaller; line-height: 125%;">Kingston Main<br />(SW Pittsburgh Township, CFB Kingston, Kingscourt, Rideau Heights)</span>
| width=14.2857% valign=top style="color: #CCC;" | K8K<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top | K9K<br /><span style="font-size: smaller; line-height: 125%;">Peterborough<br />(Fairbairn Meadows / Jackson Heights)</span>
|-
| width=14.2857% valign=top | K1L<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Vanier, McKay Lake area)<br /></span>
| width=14.2857% valign=top | K2L<br /><span style="font-size: smaller; line-height: 125%;">Ottawa (Kanata Central)<br />(Katimavik-Hazeldean / Glen Cairn)</span>
| width=14.2857% valign=top style="color: #CCC;" | K4L<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K6L<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top | K7L<br /><span style="font-size: smaller; line-height: 125%;">Kingston Main<br />(Downtown, area bounded by Princess St., Sir John A. MacDonald Blvd and Lake Ontario)</span>
| width=14.2857% valign=top style="color: #CCC;" | K8L<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top | K9L<br /><span style="font-size: smaller; line-height: 125%;">Peterborough<br />(Terra View Heights / Woodland Acres / Donwood)</span>
|-
| width=14.2857% valign=top | K1M<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Rockcliffe Park / New Edinburgh / Lindenlea)</span>
| width=14.2857% valign=top | K2M<br /><span style="font-size: smaller; line-height: 125%;">Ottawa (Kanata South)<br />(Bridlewood, Trailwest, Blackstone)</span>
| width=14.2857% valign=top | K4M<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Manotick)</span>
| width=14.2857% valign=top style="color: #CCC;" | K6M<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top | K7M<br /><span style="font-size: smaller; line-height: 125%;">Kingston Station "A"<br />(Portsmouth, Reddendale / Cataraqui / Collins Bay)</span>
| width=14.2857% valign=top style="color: #CCC;" | K8M<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K9M<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
|-
| width=14.2857% valign=top | K1N<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Lower Town / ByWard Market / Sandy Hill / University of Ottawa)</span>
| width=14.2857% valign=top style="color: #CCC;" | K2N<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K4N<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K6N<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top | K7N<br /><span style="font-size: smaller; line-height: 125%;">Amherstview<br />(Kingston)</span>
| width=14.2857% valign=top | K8N<br /><span style="font-size: smaller; line-height: 125%;">Belleville<br />East<br /><hr>Canadian Forces<br />(Army / RCAF / CANCOM)</span>
| width=14.2857% valign=top style="color: #CCC;" | K9N<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
|-
| width=14.2857% valign=top | K1P<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Downtown)</span>
| width=14.2857% valign=top | K2P<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Centretown)</span>
| width=14.2857% valign=top | K4P<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Greely)</span>
| width=14.2857% valign=top style="color: #CCC;" | K6P<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top | K7P<br /><span style="font-size: smaller; line-height: 125%;">Kingston Station "A"<br />(Westbrook / Cataraqui Woods / Cedarwood)</span>
| width=14.2857% valign=top | K8P<br /><span style="font-size: smaller; line-height: 125%;">Belleville<br />West</span>
| width=14.2857% valign=top style="color: #CCC;" | K9P<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
|-
| width=14.2857% valign=top | K1R<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Centretown West / Chinatown / LeBreton Flats / Little Italy)</span>
| width=14.2857% valign=top | K2R<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Fallowfield Village / Cedarhill Estates / Orchard Estates)</span>
| width=14.2857% valign=top | K4R<br /><span style="font-size: smaller; line-height: 125%;">Russell</span>
| width=14.2857% valign=top style="color: #CCC;" | K6R<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top | K7R<br /><span style="font-size: smaller; line-height: 125%;">Napanee</span>
| width=14.2857% valign=top | K8R<br /><span style="font-size: smaller; line-height: 125%;">Belleville<br />(SE Sidney Township / Avondale)</span>
| width=14.2857% valign=top style="color: #CCC;" | K9R<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
|-
| width=14.2857% valign=top | K1S<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(The Glebe / Old Ottawa South / Old Ottawa East / Glebe Annex)</span>
| width=14.2857% valign=top | K2S<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Stittsville, Huntley, Healey's Heath, Stanley Corners, Mansfield, Bridlewood Trails)</span>
| width=14.2857% valign=top style="color: #CCC;" | K4S<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K6S<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top | K7S<br /><span style="font-size: smaller; line-height: 125%;">Arnprior</span>
| width=14.2857% valign=top style="color: #CCC;" | K8S<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K9S<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
|-
| width=14.2857% valign=top | K1T<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Blossom Park / Greenboro / Leitrim / Findlay Creek)</span>
| width=14.2857% valign=top | K2T<br /><span style="font-size: smaller; line-height: 125%;">Ottawa (Kanata West)<br />(Marchwood, Kanata Estates, Richardson Estates, Heritage Hills, Arcadia)</span>
| width=14.2857% valign=top style="color: #CCC;" | K4T<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top | K6T<br /><span style="font-size: smaller; line-height: 125%;">Elizabethtown-Kitley<br />(Brockville)</span>
| width=14.2857% valign=top style="color: #CCC;" | K7T<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K8T<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K9T<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
|-
| width=14.2857% valign=top | K1V<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Cedardale, Ellwood / Heron Gate / Heron Park / Riverside Park / Honey Gables / Hunt Club / Ridgemont / Riverside South / South Keys / Uplands)</span>
| width=14.2857% valign=top | K2V<br /><span style="font-size: smaller; line-height: 125%;">Ottawa <br />(Bradley Commons, Fernbank Crossing, Abbottsville Crossing)</span>
| width=14.2857% valign=top style="color: #CCC;" | K4V<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top | K6V<br /><span style="font-size: smaller; line-height: 125%;">Brockville</span>
| width=14.2857% valign=top | K7V<br /><span style="font-size: smaller; line-height: 125%;">Renfrew</span>
| width=14.2857% valign=top | K8V<br /><span style="font-size: smaller; line-height: 125%;">Trenton</span>
| width=14.2857% valign=top | K9V<br /><span style="font-size: smaller; line-height: 125%;">Lindsay</span>
|-
| width=14.2857% valign=top | K1W<br /><span style="font-size: smaller; line-height: 125%;">Ottawa (Orleans Southwest)<br />(Bradley Estates / Chapel Hill South / Blackburn / Trailsedge)</span>
| width=14.2857% valign=top | K2W<br /><span style="font-size: smaller; line-height: 125%;">Ottawa (March)<br /> (South March / Brookside / Marchhurst / Harwood Plains)</span>
| width=14.2857% valign=top style="color: #CCC;" | K4W<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K6W<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K7W<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K8W<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K9W<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
|-
| width=14.2857% valign=top | K1X<br /><span style="font-size: smaller; line-height: 125%;">Ottawa (South Gloucester)<br />(Ficko)</span>
| width=14.2857% valign=top style="color: #CCC;" | K2X<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K4X<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K6X<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K7X<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K8X<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K9X<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
|-
| width=14.2857% valign=top | K1Y<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Civic Hospital / Wellington Village / Hintonburg / Mechanicsville / Champlain Park / Tunney's Pasture) </span>
| width=14.2857% valign=top style="color: #CCC;" | K2Y<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K4Y<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K6Y<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K7Y<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K8Y<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K9Y<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
|-
| width=14.2857% valign=top | K1Z<br /><span style="font-size: smaller; line-height: 125%;">Ottawa<br />(Westboro / Carlington)</span>
| width=14.2857% valign=top style="color: #CCC;" | K2Z<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K4Z<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K6Z<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K7Z<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K8Z<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
| width=14.2857% valign=top style="color: #CCC;" | K9Z<br /><span style="font-size: smaller; line-height: 125%;">Not assigned</span>
|}
Rural
{| rules="all" width=100% cellspacing=0 cellpadding=2 style="border-collapse: collapse; border: 1px solid #ccc; line-height: 125%;"
| width=20% valign=top | K0A<br />National Capital Region<br />
<span style="font-size: smaller; line-height: 125%;">
1A0: Almonte<br />
1B0: Ashton<br />
1E0: Bourget<br />
1G0: Braeside<br />
1K0: Carlsbad Springs<br />
1L0: Carp<br />
1M0: Casselman<br />
1N0: Clarence Creek<br />
1P0: Clayton<br />
1R0: Crysler<br />
1T0: Dunrobin<br />
1V0: Edwards<br />
1W0: Embrun (eastern part)<br />
1W1: Embrun (western part)<br />
1X0: Fitzroy Harbour<br />
2A0: Hammond<br />
2E0: Kars<br />
2G0: Kenmore<br />
2H0: Kinburn<br />
2M0: Limoges<br />
2P0: Metcalfe<br />
2R0: Morewood<br />
2T0: North Gower<br />
2W0: Osgoode<br />
2X0: Pakenham<br />
2Y0: Ramsayville<br />
2Z0: Richmond<br />
3C0: St. Albert<br />
3E0: Sarsfield<br />
3H0: Vars<br />
3J0: Vernon<br />
3K0: Wendover<br />
3L0: White Lake<br />
3M0: Woodlawn<br />
3N0: Saint-Pascal-Baylon<br />
3P0: Munster<br />
3W0: Embrun<br />
4A0: Almonte</span>
| width=20% valign=top | K0B<br />Eastern & Central Prescott and Russell United Counties<br />
<span style="font-size: smaller; line-height: 125%;">
1A0: Alfred<br />
1B0: Chute à Blondeau<br />
1C0: Curran<br />
1E0: Dalkeith<br />
1G0: Fournier<br />
1H0: Glen Robertson<br />
1J0: Lefaivre<br />
1K0: L'Orignal<br />
1L0: Plantagenet<br />
1M0: Ste-Anne-de-Prescott<br />
1N0: St-Bernardin<br />
1P0: St. Eugene<br />
1R0: Vankleek Hill
</span>
| width=20% valign=top | K0C<br />Stormont, Dundas and Glengarry United Counties<br />
<span style="font-size: smaller; line-height: 125%;">
1A0: Alexandria<br />
1B0: Apple Hill<br />
1C0: Avonmore<br />
1E0: Bainsville<br />
1G0: Berwick<br />
1H0: Chesterville<br />
1J0: Dunvegan<br />
1K0: Finch<br />
1L0: Green Valley<br />
1M0: Ingleside<br />
1N0: Lancaster<br />
1P0: Long Sault<br />
1R0: Lunenburg<br />
1S0: Martintown<br />
1T0: Maxville<br />
1V0: Monkland<br />
1W0: Moose Creek<br />
1X0: Morrisburg<br />
1Y0: Newington<br />
1Z0: North Lancaster<br />
2A0: St. Andrews West<br />
2B0: St. Isidore<br />
2C0: South Lancaster<br />
2E0: Summerstown<br />
2H0: Williamsburg<br />
2J0: Williamstown<br />
2K0: Winchester<br />
2L0: Winchester Springs
</span>
| width=20% valign=top | K0E<br />South Leeds and Grenville United Counties<br />
<span style="font-size: smaller; line-height: 125%;">
1A0: Addison<br />
1B0: Athens<br />
1C0: Brinston<br />
1E0: Cardinal<br />
1G0: Delta<br />
1H0: Frankville<br />
1J0: Inkerman<br />
1K0: Iroquois<br />
1L0: Lansdowne<br />
1M0: Lyn<br />
1N0: Lyndhurst<br />
1P0: Maitland<br />
1R0: Mallorytown<br />
1S0: Mountain<br />
1T0: Prescott<br />
1V0: Rockport<br />
1W0: South Mountain<br />
1X0: Spencerville<br />
1Y0: Toledo
</span>
| width=20% valign=top | K0G<br />Rideau Lakes area<br />
<span style="font-size: smaller; line-height: 125%;">
1A0: Balderson<br />
1B0: Burritts Rapids<br />
1E0: Elgin<br />
1G0: Jasper<br />
1J0: Kemptville<br />
1K0: Lanark<br />
1L0: Lombardy<br />
1M0: McDonalds Corners<br />
1N0: Merrickville<br />
1P0: Newboro<br />
1R0: North Augusta<br />
1S0: Oxford Mills<br />
1T0: Oxford Station<br />
1V0: Portland<br />
1W0: Rideau Ferry<br />
1X0: Westport
</span>
|-
| width=20% valign=top | K0H<br />Frontenac County, Lennox and Addington County, Southwest Leeds and Loyalist Shores<br />
<span style="font-size: smaller; line-height: 125%;">
1B0: Arden<br />
1C0: Ardoch<br />
1G0: Bath<br />
1H0: Battersea<br />
1J0: Clarendon Station<br />
1K0: Cloyne<br />
1L0: Denbigh<br />
1M0: Elginburg<br />
1P0: Flinton<br />
1S0: Glenburnie<br />
1T0: Godfrey<br />
1V0: Harrowsmith<br />
1W0: Hartington<br />
1X0: Inverary<br />
1Y0: Joyceville<br />
1Z0: Kaladar<br />
2B0: Maberly<br />
2C0: Mississippi Station<br />
2E0: Mountain Grove<br />
2G0: Northbrook<br />
2H0: Odessa<br />
2J0: Ompah<br />
2K0: Parham<br />
2L0: Perth Road<br />
2M0: Plevna<br />
2N0: Seeleys Bay<br />
2P0: Sharbot Lake<br />
2R0: Snow Road Station<br />
2S0: Stella<br />
2T0: Sydenham<br />
2V0: Tichborne<br />
2W0: Verona<br />
2Y0: Wolfe Island
</span>
| width=20% valign=top | K0J<br />Renfrew County and Lanark Highlands Township<br />
<span style="font-size: smaller; line-height: 125%;">
1B0: Barry's Bay<br />
1C0: Beachburg<br />
1E0: Bissett Creek<br />
1G0: Burnstown<br />
1H0: Calabogie<br />
1J0: Chalk River<br />
1K0: Cobden<br />
1L0: Combermere<br />
1M0: Cormac<br />
1N0: Dacre<br />
1P0: Deep River<br />
1R0: Deux Rivieres<br />
1S0: Douglas<br />
1T0: Eganville<br />
1V0: Foresters Falls<br />
1W0: Foymount<br />
1X0: Golden Lake<br />
1Y0: Haley Station<br />
2A0: Killaloe<br />
2B0: Mackey<br />
2C0: Madawaska<br />
2E0: Palmer Rapids<br />
2G0: Quadeville<br />
2H0: Rolphton<br />
2J0: Round Lake Centre<br />
2K0: Stonecliffe<br />
2L0: Westmeath<br />
2M0: Whitney<br />
2N0: Wilno<br />
2R0: Griffith
</span>
| width=20% valign=top | K0K<br />Quinte Shores, East Northumberland County & Prince Edward County<br />
<span style="font-size: smaller; line-height: 125%;">
0A0: Picton<br />
1A0: Ameliasburgh<br />
1B0: Astra<br />
1C0: Baltimore<br />
1E0: Batawa<br />
1G0: Bloomfield<br />
1H0: Brighton<br />
1J0: Camden East<br />
1K0: Cannifton<br />
1L0: Carrying Place<br />
1M0: Castleton<br />
1N0: Centreville<br />
1P0: Cherry Valley<br />
1R0: Codrington<br />
1S0: Colborne<br />
1T0: Consecon<br />
1V0: Corbyville<br />
1W0: Demorestville<br />
1X0: Deseronto<br />
1Y0: Eldorado<br />
1Z0: Enterprise<br />
2A0: Erinsville<br />
2B0: Foxboro<br />
2C0: Frankford<br />
2E0: Gores Landing<br />
2G0: Grafton<br />
2H0: Harwood<br />
2J0: Hillier<br />
2K0: Madoc (township) and Madoc (village)<br />
2L0: Marlbank<br />
2M0: Marmora<br />
2N0: Marysville<br />
2P0: Milford<br />
2S0: Newburgh<br />
2T0: Picton<br />
2V0: Plainfield<br />
2W0: Roblin<br />
2X0: Roseneath<br />
2Y0: Roslin<br />
2Z0: Selby<br />
3A0: Shannonville<br />
3C0: Springbrook<br />
3E0: Stirling<br />
3G0: Tamworth<br />
3H0: Thomasburg<br />
3J0: Tweed<br />
3K0: Warkworth<br />
3L0: Wellington<br />
3M0: Wooler<br />
3N0: Yarker<br />
3W0: Astra
</span>
| width=20% valign=top | K0L<br />Peterborough County and North Hastings County<br />
<span style="font-size: smaller; line-height: 125%;">
0A0: Lakefield<br />
1A0: Apsley<br />
1B0: Bailieboro<br />
1C0: Bancroft<br />
1E0: Bewdley<br />
1G0: Boulter<br />
1H0: Bridgenorth<br />
1J0: Buckhorn<br />
1L0: Campbellford<br />
1M0: Cardiff<br />
1P0: Coe Hill<br />
1R0: Curve Lake<br />
1T0: Ennismore<br />
1V0: Fraserville<br />
1W0: Gilmour<br />
1X0: Harcourt<br />
1Y0: Hastings<br />
1Z0: Havelock<br />
2A0: Highland Grove<br />
2B0: Douro-Dummer, Indian River<br />
2G0: Keene<br />
2H0: Douro-Dummer, Lakefield<br />
2J0: Lakehurst<br />
2K0: Lake St. Peter<br />
2L0: L'Amable<br />
2M0: McArthur's Mills<br />
2R0: Maple Leaf<br />
2S0: Maynooth<br />
2V0: Norwood<br />
2W0: Omemee<br />
2X0: Reaboro<br />
2Y0: Tory Hill<br />
2Z0: Trent River<br />
3A0: Douro-Dummer, Warsaw<br />
3B0: Westwood<br />
3C0: Wilberforce<br />
3E0: Woodview<br />
3G0: Young's Point
</span>
| width=20% valign=top | K0M<br />Kawartha Lakes and Haliburton County<br />
<span style="font-size: smaller; line-height: 125%;">
1A0: Bobcaygeon<br />
1B0: Bolsover<br />
1C0: Burnt River<br />
1E0: Cambray<br />
1G0: Cameron<br />
1J0: Algonquin Highlands<br />
1K0: Coboconk<br />
1L0: Dunsford<br />
1M0: Eagle Lake<br />
1N0: Fenelon Falls<br />
1R0: Gooderham<br />
1S0: Haliburton<br />
1X0: Irondale<br />
2A0: Kinmount<br />
2B0: Kirkfield<br />
2C0: Little Britain<br />
2J0: Manilla<br />
2K0: Minden<br />
2L0: Norland<br />
2M0: Oakwood<br />
2S0: West Guilford<br />
2T0: Woodville
</span>
|-
| width=20% valign=top style="color: #CCC;" | K0N<br />Not in use
| width=20% valign=top style="color: #CCC;" | K0P<br />Not in use
| width=20% valign=top style="color: #CCC;" | K0R<br />Not in use
| width=20% valign=top style="color: #CCC;" | K0S<br />Not in use
| width=20% valign=top style="color: #CCC;" | K0T<br />Not in use
|-
| width=20% valign=top style="color: #CCC;" | K0V<br />Not in use
| width=20% valign=top style="color: #CCC;" | K0W<br />Not in use
| width=20% valign=top style="color: #CCC;" | K0X<br />Not in use
| width=20% valign=top style="color: #CCC;" | K0Y<br />Not in use
| width=20% valign=top style="color: #CCC;" | K0Z<br />Not in use
|}
{| style="width: 100%"
| style="width: 50%" |
Most populous FSAs
Source:
- K0K, 115,850
- K0A, 111,626
- K2J, 81,863
- K0L, 78,142
- K4A, 62,125
| style="width: 50%" |
Least populous FSAs
Source:
