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Fixed Dialing Number. Fixed Dialing Number ( FDN) is a service mode of a GSM mobile phone 's SIM card. [ 1] Numbers are added to the FDN list, and when activated, FDN restricts outgoing calls to only those numbers listed, or to numbers with certain prefixes. [ 1] A notable exception is that emergency calls to 000, 112, 911, 999 and the like are ...
For fixed line and mobile phone numbers, a dash is written in between the area/mobile code and the subscriber number, with an optional space before the last four digits of the subscriber number. For example, a fixed line number in Kuala Lumpur is written as 03-XXXX YYYY or 03-XXXXYYYY, while a fixed line number in Kota Kinabalu is written as ...
A broad division is commonly recognized between closed and open numbering plans. A closed numbering plan, as found in North America, features fixed-length area codes and local numbers, while an open numbering plan has a variance in the length of the area code, local number, or both of a telephone number assigned to a subscriber line. The latter ...
Toll-free telephone number. A toll-free telephone number or freephone number is a telephone number that is billed for all arriving calls. For the calling party, a call to a toll-free number from a landline is free of charge. A toll-free number is identified by a dialing prefix similar to an area code.
A telephone number serves as an address for switching telephone calls using a system of destination code routing. [ 1] Telephone numbers are entered or dialed by a calling party on the originating telephone set, which transmits the sequence of digits in the process of signaling to a telephone exchange. The exchange completes the call either to ...
When calling France from abroad, the leading zero should be omitted: for example, to call a number in Southwest France, one would dial +33 5 xx xx xx xx. French people usually state phone numbers as a sequence of five double-digit numbers, e.g., 0x xx xx xx xx (and not, for example, 0 xxx-xxx-xxx or 0xxx-xx-xxxx or 0xx-xxx-xxxx).
112 is a common emergency telephone number that can be dialed free of charge from most mobile telephones and, in some countries, fixed telephones in order to reach emergency services (ambulance, fire and rescue, police). 112 is a part of the GSM standard and all GSM-compatible telephone handsets are able to dial 112 even when locked or, in some ...
Toll-free telephone numbers in the North American Numbering Plan. Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, and 888. Additionally, area codes 822, 880 through 887, and 889 are reserved for toll-free use in the future. 811 is excluded because it is a special dialing ...