Ontario area codes
Ontario has 19 area codes in our list.
Showing 19 of 19
Frequently asked questions
How many area codes does Ontario have?
Our list has 19 area codes for Ontario: 226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 683, 705, 742, 753, 807, 905 and 942.