Ottawa Postal Codes: K0A to K4P | Ontario
Postal Codes for Ottawa range from K0A to K4P in Ontario, Canada. To find exact Postal Codes and postcodes within Ottawa, choose from the districts below.
Postal Codes for Places in Ottawa
Showing 32 places in Ottawa. Last verified with official records on May 2, 2026.
| Ashton | |
| Burritts Rapids | |
| Carlsbad Springs | |
| Carp | |
| Cumberland | |
| Dunrobin | |
| Edwards | |
| Fitzroy Harbour | |
| Gloucester | |
| Greely | |
| Kanata | |
| Kars | |
| Kenmore | |
| Kinburn | |
| Manotick | |
| Metcalfe | |
| Munster | |
| Navan | |
| Nepean | |
| North Gower | |
| Orléans | |
| Osgoode | |
| Ottawa | |
| Ramsayville | |
| Rockcliffe | |
| Saint-Pascal-Baylon | |
| Sarsfield | |
| Stittsville | |
| Vanier | |
| Vars | |
| Vernon | |
| Woodlawn |
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Sample Address Format for Ottawa
[Sender Street Address]
[City, ZIP]
[Country]
Street Address / PO Box
Ottawa, Ontario, K0A
CANADA
Ottawa on the Map
The map above highlights the geographic boundaries of the Ottawa districts in Canada.
Ottawa Quick Facts
| Country | Canada (CA) |
|---|---|
| Administrative Path | Canada → Ontario |
| Postal Code | K0A~K4P |
| Province | Ontario |
| ISO Codes | CA / CAN / 124 |
| Top-level domain (ccTLD) | .ca |
| Coordinates | 45.420878, -75.690111 |
| Places | 32 |
What to Know About Ottawa
Key Facts
Ottawa is the capital city of Canada, located in the southeastern part of Ontario province. Situated on the south bank of the Ottawa River, Ottawa forms the core of the National Capital Region, which includes the neighboring city of Gatineau in Quebec across the river. As Canada's fourth-largest city, Ottawa has a population of approximately 1.017 million people within its metropolitan area and covers a land area of about 2,790 square kilometers. The city is divided into numerous neighborhoods and communities, organized within its municipal boundaries. Ottawa serves as the political center of Canada, housing the Parliament of Canada, the official residences of the Governor General and Prime Minister, and numerous federal government departments. The city's economy is dominated by the public sector, complemented by growing high-tech and tourism industries. As the capital city, Ottawa provides access to comprehensive postal code information for all its neighborhoods and districts through official postal services.
Neighboring Regions
- Gatineau
- Clarence-Rockland
- Russell
- North Grenville
- Beckwith
- Mississippi Mills
- Ottawa Valley
- Lanark County
Other Districts
- Algoma
- Brant
- Bruce
- Chatham-Kent
- Cochrane
- Dufferin
- Durham
- Elgin
- Essex
- Frontenac
- Greater Sudbury
- Grey
- Haldimand-Norfolk
- Haliburton
- Halton
- Hamilton
- Hastings
- Huron
- Kawartha Lakes
- Kenora
- Lambton
- Lanark
- Leeds and Grenville
- Lennox and Addington
- Manitoulin
- Middlesex
- Muskoka
- Niagara
- Nipissing
- Northumberland
- Oxford
- Parry Sound
- Peel
- Perth
- Peterborough
- Prescott and Russell
- Prince Edward
- Rainy River
- Renfrew
- Simcoe
- Stormont, Dundas and Glengarry
- Sudbury
- Thunder Bay
- Timiskaming
- Toronto
- Waterloo
- Wellington
- York