Area code 905

Look up a 905 number

Cities and towns in area code 905

Places we have prefix data for in 905. The list may be incomplete.

• Mississauga, ON (55)
• Hamilton, ON (18)
• Brampton, ON (17)
• Oakville, ON (17)
• Oshawa, ON (16)
• St. Catharines, ON (16)
• Markham, ON (14)
• Newmarket, ON (11)
• Burlington, ON (10)
• Richmond Hill, ON (9)
• Ajax, ON (8)
• Niagara Falls, ON (8)
• Woodbridge, ON (7)
• Aurora, ON (6)
• Milton, ON (6)
• Pickering, ON (6)
• Concord, ON (5)
• Welland, ON (5)
• Whitby, ON (5)
• Cobourg, ON (3)
• Georgetown, ON (3)
• Maple, ON (3)
• Stoney Creek, ON (3)
• Thornhill, ON (3)
• Ancaster, ON (2)
• Bolton, ON (2)
• Bowmanville, ON (2)
• Bradford, ON (2)
• Castlemore, ON (2)
• Dundas, ON (2)
• Dunnville, ON (2)
• Fort Erie, ON (2)
• Grimsby, ON (2)
• Keswick, ON (2)
• Port Colborne, ON (2)
• Port Perry, ON (2)
• Uxbridge, ON (2)
• Waterdown, ON (2)
• Whitchurch-Stouffville, ON (2)
• Beamsville, ON (1)
• Beeton, ON (1)
• Bethesda, ON (1)
• Binbrook, ON (1)
• Brooklin, ON (1)
• Caledonia, ON (1)
• Campbellville, ON (1)
• Cayuga, ON (1)
• Claremont, ON (1)
• Colborne, ON (1)
• Freelton, ON (1)
• Hagersville, ON (1)
• Hampton, ON (1)
• King City, ON (1)
• Kleinburg, ON (1)
• Mount Albert, ON (1)
• Mount Hope, ON (1)
• Newcastle, ON (1)
• Niagara-on-the-Lake, ON (1)
• Nobleton, ON (1)
• Orono, ON (1)
• Port Hope, ON (1)
• Queensville, ON (1)
• Ridgeway, ON (1)
• Schomberg, ON (1)
• Smithville, ON (1)
• Stevensville, ON (1)
• Sutton West, ON (1)
• Thorold, ON (1)
• Tottenham, ON (1)
• Vineland, ON (1)
• Wainfleet, ON (1)

Area codes that overlay 905

• 289
• 365
• 742

Questions

Where is area code 905?

Area code 905 is in Ontario. It serves Mississauga, Hamilton, Brampton, Oakville and Oshawa and 66 other cities and towns.

What time zone is area code 905 in?

Area code 905 uses Eastern Time.

What area codes overlay 905?

289, 365 and 742 serve the same area as 905. New numbers in the area can get any of these codes, which is why local calls need all 10 digits.

Is a call from area code 905 a scam?

The area code alone doesn’t tell you. Most calls from 905 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 905 number, let it go to voicemail.

When did area code 905 start?

905 went into service in 1993. It was created from area code 416.

Can a 905 number be outside Ontario?

Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 905 caller can be anywhere.

Other area codes in Ontario