Waterloo, Ontario Area Code

Waterloo, ON Area Codes are

519 and 226 and 548

Waterloo, ON is officially utilizing an area code overlay in which area codes 519, 226 and 548 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.

In addition to Waterloo, ON area code information read more about area codes 519, 226 and 548 and Ontario area codes.

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