Canadian Area Codes / Ontario
The 905 area code
The 905 area code covers Greater Toronto Area and the Golden Horseshoe, Canada.
Province
Ontario
Time zone
Eastern Time
Country
Canada (+1)
Cities in the 905 area code
Major communities served by 905 include:
Overlay codes for this area
The 905 region shares its territory with these codes — which is why you dial all 10 digits for local calls:
Want a local 905 number for your business?
Voiswitch provides local 905 numbers on business phone systems — or ports the one you already have. Free quote, no obligation.
905 area code — questions
Where is the 905 area code?
The 905 area code is in Ontario, Canada. It covers Greater Toronto Area and the Golden Horseshoe, including Mississauga, Brampton, Hamilton, Markham, Vaughan, Oshawa.
What time zone is the 905 area code in?
905 numbers are in the Eastern Time zone.
Is 905 an overlay area code?
The 905 area shares the same territory as 289, 365, 742. Because multiple codes overlap, you dial all 10 digits for local calls.
Can I get a 905 number for my business?
Yes — Voiswitch can provide local 905 numbers, and if you already have one, we can port it to your new phone system. Get a free quote to add a local 905 number.