Ontario State Data — Canada (CA)

Code: ON Country: CA Capital: Toronto Pop: 15.2 million

Ontario (ON) is a state of Canada (CA) with capital Toronto. Get Ontario cities, zip codes and geographic data via the Country Data API REST endpoints. Query by country code 'CA' and state code 'ON'. Free to start, JSON, plans from $9.99/mo.

Get Ontario cities and zip codes via API

Use the Canada country code CA and the state code ON to query Ontario-specific geographic data.

Cities in Ontario

All cities and localities in Ontario, Canada

Get cities

Zip / Postal Codes in Ontario

Complete postal code dataset for Ontario

Get zip codes

All states of Canada

List every state/province in Canada

See all states

API Request Example

Fetch cities in Ontario (ON) via the REST API.

Cities by state

GET https://api.countrydataapi.com/v1/cities/by-state?country=CA&state=ON

Authorization: Bearer YOUR_API_KEY

cURL example

curl "https://api.countrydataapi.com/v1/zipcode/by-state?country=CA&state=ON"   -H "Authorization: Bearer YOUR_KEY"

Cities in Ontario

Access Ontario cities & zip codes via API

Integrate Ontario (Canada) geographic data into your application. One API for all countries, states, cities and zip codes.