Area Code 905 Location
Phone numbers with the 905 area code prefix originate from the Golden Horseshoe region that surrounds Lake Ontario in Southern Ontario, Canada. This numbering plan area encompasses the Niagara Peninsula, the city of Hamilton, the regional municipalities of Halton, Peel, York, and Durham, and parts of Northumberland County.
Area code 905 is a General Purpose Code which was placed in service on October 4, 1993.
Area Code 905 Location Map
Source: Canadian Numbering Administrator (cnac.ca)
Overlay System
The 905 area code operates as part of an overlay numbering plan that serves the same geographic region in Southern Ontario. It works alongside area codes 289, 365, and 742. Area code 905 was established in October 1993. Area code 289 was overlaid on June 9, 2001, which required all local calls to adopt ten-digit dialing. Area code 365 became operational on March 25, 2013, after being introduced on April 13, 2010. Most recently, area code 742 was added to this overlay system on October 16, 2021.
Area Code 905 NXX Codes Distribution
NXX Code Distribution by Exchange Area
Our reverse phone lookup will analyze the three-digit nxx code of any 905 numbering plan area (NPA) phone number and will show which company and exchange area it was initially assigned to. This nxx code data may help to determine the Canada carrier, and geographic area associated with that phone number.
| Exchange Area | Number of NXX Codes |
|---|---|
| Hamilton | 95 |
| Oshawa | 49 |
| St. Catharines-Thorold | 49 |
| Brampton | 48 |
| Cooksville | 48 |
| Oakville | 34 |
| Streetsville | 34 |
| Thornhill | 28 |
| Unionville | 28 |
| Malton | 26 |
| Burlington | 23 |
| Ajax-Pickering | 22 |
| Newmarket | 21 |
| Milton | 14 |
| Aurora | 12 |
| Richmond Hill | 12 |
| Markham | 11 |
| Niagara Falls | 11 |
| South Pickering | 9 |
| Woodbridge | 9 |
| Clarkson | 8 |
| Cobourg | 8 |
| Welland | 8 |
| Whitby | 8 |
| Oak Ridges | 7 |
| Port Credit | 7 |
| Caledon East | 6 |
| Maple | 6 |
| Beeton | 5 |
| Castlemore | 5 |
| Fort Erie | 5 |
| Gormley | 5 |
| Keswick | 5 |
| Georgetown | 4 |
| Stoney Creek | 4 |
| Bolton | 3 |
| Bowmanville | 3 |
| Bradford | 3 |
| Brooklin | 3 |
| Claremont | 3 |
| Dunnville | 3 |
| Stouffville | 3 |
| Uxbridge | 3 |
| Ancaster | 2 |
| Bethesda | 2 |
| Dundas | 2 |
| Grimsby | 2 |
| Hampton | 2 |
| King City | 2 |
| Kleinburg | 2 |
| Mount Albert | 2 |
| Newcastle | 2 |
| Niagara-On-The-Lake | 2 |
| Nobleton | 2 |
| Orono | 2 |
| Palgrave | 2 |
| Port Colborne | 2 |
| Port Hope | 2 |
| Port Perry | 2 |
| Queensville | 2 |
| Schomberg | 2 |
| Snelgrove | 2 |
| Sutton | 2 |
| Tottenham | 2 |
| Victoria | 2 |
| Waterdown | 2 |
| 7 Digit Service | 1 |
| Beamsville | 1 |
| Binbrook | 1 |
| Blackstock | 1 |
| Caledonia | 1 |
| Campbellville | 1 |
| Castleton | 1 |
| Cayuga | 1 |
| Colborne | 1 |
| Cold Springs | 1 |
| Fisherville | 1 |
| Freelton | 1 |
| Garden Hill | 1 |
| Grafton | 1 |
| Hagersville | 1 |
| Mount Hope | 1 |
| Newtonville | 1 |
| Pelham | 1 |
| Port Robinson | 1 |
| Ridgeway | 1 |
| Roseneath | 1 |
| Selkirk | 1 |
| Stevensville | 1 |
| Vineland | 1 |
| Wainfleet | 1 |
| Welcome | 1 |
| Wellandport | 1 |
| West Lincoln | 1 |
| Winona | 1 |
NXX Code Distribution by Company
| Company | NXX Codes Assigned |
|---|---|
| Bell Canada | 438 |
| Rogers Communications Canada Inc. (Cable) | 125 |
| Bell Mobility | 49 |
| TELUS Mobility | 48 |
| Rogers Communications Canada Inc. (Wireless) | 36 |
| Fido Solutions Inc. | 27 |
| Zayo Canada Inc. | 21 |
| TELUS Integrated Communications | 19 |
| Primus Telecommunications Canada Inc. | 5 |
| Freedom Mobile Inc. | 2 |
| Iristel Inc. | 2 |
| InnSysVoice Corp | 1 |
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