Waterloo Area Codes, Quebec, Canada
How to call Waterloo, Quebec?
Waterloo has 1 area code. To call Waterloo you need to dial the Canada country code (+1) and the following area code:
450How to know if I'm receiving calls from Waterloo, Quebec?
You are receiving calls from Waterloo when the phone number starts with the following combination:
1-450Other area codes in Canada
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