Talk to Gabi

ONTARIO · AREA CODE GUIDE

905 area code location: Hamilton and Oshawa, Ontario

Local date and time
Eastern Time
New York905HamiltonOshawaBramptonCooksville

905 area code: OntarioBoundaries are approximate; area codes don't always follow city or county lines. Map data: the Homeland Security Infrastructure Program (HSIP, 2010) and the North American Numbering Plan Administrator (NANPA), checked 26 September 2026; Statistics Canada (Open Government Licence – Canada); US Census Bureau.
905 area code: Ontario

Download the 905 area code map

A printable area code 905 location map, with time zone and state. Use the PNG image in a document or slide; the SVG stays sharp at any size.

Download PNG 1600 × 1436Download SVG

905 area code at a glance

Province
Ontario
Primary cities
Hamilton, Oshawa, and Brampton
Established
Prefixes in service
772 as of 26 September 2026

An area code does not show where a caller is now.

History

Country and calling code: Canada (+1).

Parent code: 416.

New code planned: No, as of 22 September 2026.

  1. : 289 added as an overlay on 905
  2. : 365 added as an overlay on 905
  3. : 742 added as an overlay on 905

Time zone

Eastern Time
Standard time UTC−05:00
Daylight saving time UTC−04:00

Communities covered

905 numbers are issued across 94 communities. These are telephone exchange areas, which follow the phone network rather than city limits, so a place can sit just outside the boundary of the town it is named for.

  • Hamilton
  • Oshawa
  • St. Catharines-Thorold
  • Brampton
  • Cooksville
  • Oakville
  • Streetsville
  • Thornhill
  • Unionville
  • Malton
  • Burlington
  • Ajax-Pickering
  • Newmarket
  • Milton
  • Aurora
  • Richmond Hill
  • Markham
  • Niagara Falls
  • South Pickering
  • Woodbridge
  • Clarkson
  • Cobourg
  • Welland
  • Whitby
  • Oak Ridges
69 more communities
  • Port Credit
  • Caledon East
  • Maple
  • Beeton
  • Castlemore
  • Fort Erie
  • Gormley
  • Keswick
  • Georgetown
  • Stoney Creek
  • Bolton
  • Bowmanville
  • Bradford
  • Brooklin
  • Claremont
  • Dunnville
  • Stouffville
  • Uxbridge
  • Ancaster
  • Bethesda
  • Dundas
  • Grimsby
  • Hampton
  • King City
  • Kleinburg
  • Mount Albert
  • Newcastle
  • Niagara-On-The-Lake
  • Nobleton
  • Orono
  • Palgrave
  • Port Colborne
  • Port Hope
  • Port Perry
  • Queensville
  • Schomberg
  • Snelgrove
  • Sutton
  • Tottenham
  • Victoria
  • Waterdown
  • Beamsville
  • Binbrook
  • Blackstock
  • Caledonia
  • Campbellville
  • Castleton
  • Cayuga
  • Colborne
  • Cold Springs
  • Fisherville
  • Freelton
  • Garden Hill
  • Grafton
  • Hagersville
  • Mount Hope
  • Newtonville
  • Pelham
  • Port Robinson
  • Ridgeway
  • Roseneath
  • Selkirk
  • Stevensville
  • Vineland
  • Wainfleet
  • Welcome
  • Wellandport
  • West Lincoln
  • Winona

Notable places in 905

PlaceWhereWhat it is
Toronto Pearson International Airport3.3 km from MaltonAirport
McMaster University2.2 km from DundasUniversity
Brock University9.3 km from Port RobinsonUniversity
John C. Munro Hamilton International Airport7.4 km from AncasterAirport
HMCS Haida7.0 km from DundasMuseum
Hamilton Stadium9.3 km from DundasStadium
Canada's Wonderland6.5 km from KleinburgAmusement park
Ontario Tech University5.2 km from WhitbyUniversity
TD Coliseum5.8 km from DundasArena
Buttonville Municipal Airport4.0 km from UnionvilleAirport

Also serving this area

Questions about 905

Where is the 905 area code?

905 is in Ontario. Its numbers are issued in Hamilton, Oshawa, Brampton, and 91 other communities.

What time zone is area code 905 in?

905 is in Eastern Time. Daylight saving time is observed.

Does 905 have an overlay?

Yes. 289 was added as an overlay on 905 on 9 June 2001. 365 was added as an overlay on 905 on 25 March 2013. 742 was added as an overlay on 905 on 16 October 2021.

What communities are in the 905 area code?

Hamilton, Oshawa, Brampton, Cooksville, and Oakville, and 89 other communities.

What province is area code 905 in?

Area code 905 is in Ontario.

Is 905 a toll-free area code?

No. 905 is a geographic area code. The toll-free codes are 800, 833, 844, 855, 866, 877, and 888.

Sources: NANPA area code listing, CNA code status. Checked .

Business phone numbers in area code 905, answered by an AI agent

A local number for Hamilton, Oshawa, and Brampton, Ontario, with an AI receptionist that takes caller details, answers the questions you give it, and books appointments. Numbers depend on what carriers have left.

Build a 905 phone agentHow it works