Markham Area Codes, Ontario, Canada
How to call Markham, Ontario?
Markham has 1 area code. To call Markham you need to dial the Canada country code (+1) and the following area code:
905How to know if I'm receiving calls from Markham, Ontario?
You are receiving calls from Markham when the phone number starts with the following combination:
1-905Other area codes in Canada
SPONSORED