Area Codes in Ontario

Ontario is located in Canada. 13 area codes are used in ON by 713 cities.

ON Area Codes

ON NPA
Area Code 226
Area Code 249
Area Code 289
Area Code 343
Area Code 365
Area Code 416
Area Code 437
Area Code 519
Area Code 613
Area Code 647
Area Code 705
Area Code 807
Area Code 905

There are 60 phone companies in Ontario, Canada.