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Telephone country codes, originally termed International Codes by the International Telegraph and Telephone Consultative Committee (C.C.I.T.T.) in 1960, [1] but also sometimes referred to as "country dial-in codes", or historically "international subscriber dialing" (ISD) codes in the U.K., are telephone number dialing prefixes for reaching ...
Within Australia, dialing a number in another area requires dialing the trunk code 0, followed by the area code, and then the local number. In major centres, the first four digits specify the CCA (Call Collection Area, also known as an exchange), and the remaining digits specify a number at that exchange, up to 10,000 of which may be connected.
Non-geographic toll-free telephone numbers (800, 833, [4] 844, 855, 866, 877, 888) and premium-rate telephone numbers (900) are allocated centrally by the NANP Administrator. Calls to telephone numbers with the central office code 976 are billed as expensive premium calls.
The Canada Revenue Agency (CRA; French: Agence du revenu du Canada; ARC) is the revenue service of the Canadian federal government, and most provincial and territorial governments. The CRA collects taxes , administers tax law and policy , and delivers benefit programs and tax credits. [ 4 ]
The largest telephone numbering plan in North American is the North American Numbering Plan (NANP), serving 25 regions or countries. Other countries maintain an autonomous numbering plan with distinct country codes within the international E.164 specifications by the International Telecommunication Union. Original North American area codes
A new overlay area code, 437, started operation on March 25, 2013. [6] [7] That effectively allocates 24 million numbers to a city of 2.5 million people. Area code 942 is scheduled for addition to the 416/647/437 overlay on April 26, 2025. [8] Area code 387 has been reserved for Toronto's future use.
It was created from the merging of Revenue Canada with Canada Customs. [1] [2] The CCRA was subsequently split into the Canada Border Services Agency and Canada Revenue Agency. [1] [2] During the 1976 Summer Olympics in Montreal, QC, the department was called the Department of National Revenue Customs and Excise.
The implementation and expansion of the North American Numbering Plan between 1947 and 1992 preserved a long-standing practice in the United States and Canada that callers should only need to dial the local seven-digit telephone number when placing a call within the caller's exchange area or within the home numbering plan area (NPA).