Information About Postal Codes and Zip Codes
Area code 418/581 is a telephone area code in the Canadian province of Quebec, encompassing the eastern portion of the province. When created in 1947, its boundaries were depicted as generally the eastern half of Quebec, but in 1957, northwestern Quebec was added; the area code attained its present boundaries in the late 1970s.. The new area code is 581.
Communities served by the 418/581 area code include Quebec City, Saguenay, Rivière-du-Loup, Rimouski and the Gaspé Peninsula and Côte-Nord regions. 418/581 also serves the tiny hamlet of Estcourt Station, in the U.S. state of Maine.
The incumbent local exchange carriers in 418/581 are Bell Canada, Telus (formerly Quebec-Telephone) and Vidéotron, plus some independent companies.