Ontario Area Codes
Look up phone numbers from Ontario
Ontario has 10 area codes. Use our reverse phone lookup service to identify callers from any of these area codes.
Area Codes in Ontario
226
Kitchener ON (Canadian)
Eastern Time
289
Hamilton/Niagara ON (Canadian)
Eastern Time
343
Ottawa ON (Canadian)
Eastern Time
365
Hamilton ON (Canadian)
Eastern Time
416
Toronto ON (Canadian)
Eastern Time
437
Toronto ON (Canadian)
Eastern Time
519
Southwestern Ontario (Canadian)
Eastern Time
613
Ottawa ON (Canadian)
Eastern Time
647
Toronto ON (Canadian)
Eastern Time
905
Greater Toronto Area (Canadian)
Eastern Time
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