Oshawa, Ontario Area Code

Oshawa, ON Area Codes are

905 and 289

Oshawa, ON utilizes an area code overlay in which area codes 905 and 289 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.

In addition to Oshawa, ON area code information read more about area codes 905 and 289 details and Ontario area codes.


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