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16. Jan. 2024 · Area codes 905, 289, and 365 are overlay area codes in the North American Numbering Plan (NANP) for southern Ontario, Canada. The plan area includes the Niagara Peninsula, Hamilton, Oshawa, and the suburban Greater Toronto Area. Area code 905 was assigned on October 4, 1993, as a split from area code 416. 289 was overlaid on June 9, 2001; since then, all local calls have required ten-digit ...
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Area codes 905, 289, 365, and 742 are telephone area codes in the North American Numbering Plan (NANP) for the Golden Horseshoe region that surrounds Lake Ontario in Southern Ontario, Canada. The numbering plan area (NPA) comprises (clockwise) the Niagara Peninsula, the city of Hamilton, the regional municipalities of Halton, Peel, York, Durham, and parts of Northumberland County, but excludes ...
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Area codes 905, 289, and 365. Area code 905 (with overlay area codes 289 and 365) is a telephone dialing area in southern Ontario, Canada. It includes the Niagara Peninsula, Hamilton, Oshawa, and the suburban Greater Toronto Area. It was assigned on October 4, 1993, as a split from area code 416. 289 began sharing the service area on June 9 ...
