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Trunk Prefix
A trunk prefix is a digit sequence to be dialled before a telephone number to initiate a telephone call for the purpose of selecting an appropriate telecommunications circuit by which the call is to be routed. Making a domestic (national) telephone call usually requires the dialling of a single or two-digit national trunk prefix preceding any area codes and the destination subscriber number. In most countries, the trunk prefix is 0. For international telephone calls, the national trunk prefix is not dialled; instead, an List of international call prefixes, international trunk prefix (or "+") is typically required, followed by the destination's country calling code, country code. Example This example assumes that a call is to be made to a customer in the Australian state of Queensland with the local number ''3333 3333'' and the area code ''7''. A caller from outside Australia must dial the List of international call prefixes, international call prefix of the originating count ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telecommunications
Telecommunication, often used in its plural form or abbreviated as telecom, is the transmission of information over a distance using electronic means, typically through cables, radio waves, or other communication technologies. These means of transmission may be divided into communication channels for multiplexing, allowing for a single medium to transmit several concurrent Session (computer science), communication sessions. Long-distance technologies invented during the 20th and 21st centuries generally use electric power, and include the electrical telegraph, telegraph, telephone, television, and radio. Early telecommunication networks used metal wires as the medium for transmitting signals. These networks were used for telegraphy and telephony for many decades. In the first decade of the 20th century, a revolution in wireless communication began with breakthroughs including those made in radio communications by Guglielmo Marconi, who won the 1909 Nobel Prize in Physics. Othe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telephone Numbers In Tanzania
The following are the telephone codes in Tanzania. Format * +255 XXX XXX XXX or +255XX XXX XXXX calling from outside Tanzania * 0XXX XXX XXX or 0XX XXX XXXX - calling within Tanzania The NSN length is nine digits. * Subscriber Number length under 2X, 4X, 6X and 7X NDCs is 7 digits. * Subscriber Number length under 8XY and 90X NDCs is 6 digits. Calls between Tanzania, Kenya, and Uganda Calls to Kenya and Uganda require a regional prefix rather than having to use full international dialling. To call Kenya from Tanzania, subscribers dial 005 instead of +254, while to call Uganda, they dial 006 rather instead of +256. To call Tanzania from Kenya and Uganda, subscribers dial 007 instead of +255. Until 1999, Tanzania, Kenya and Uganda shared a telephone numbering plan, in which subscribers were only required to dial the trunk code, area code and number. In that year, Tanzania adopted a new numbering plan. Geographic number for fixed telephony services (area codes) VoIP service ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telephone Numbers In Cambodia
International Calls International Access Codes are also used to select the operator. All are starting with 00 while the third number is identifying the operators gateway. Currently there are 3 active codes: # Gateway 1 (MPTC or Telecom Cambodia) - 001 # Gateway 2 (Royal Telecam International) - 007 # VoIP Gateway - 008 All other combinations are reserved for this purpose only. Lines To dial a land line in Cambodia all over the country, the format is Area Code + Phone Number. The area code is 3 digits long, followed by a 6 or 7 digit phone number. Calls made from outside Cambodia must omit the prefix 0. Therefore, to call a land line number in Phnom Penh from other countries, dialing begins with +855 23 followed by 6 or 7 digits. Area code Area codes starting with 02 #Phnom Penh - 023 # Kandal - 024 # Kampong Speu - 025 # Kampong Chhnang - 026 Area codes starting with 03 # Takeo - 032 # Kampot - 033 # Sihanoukville - 034 # Koh Kong - 035 # Kep - 036 Area codes starting wi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telephone Numbers In Bangladesh
The country calling code of Bangladesh is +880. The dial plan type in Bangladesh is closed, and "0" is the Trunk prefix. When dialling a Bangladesh number from inside Bangladesh, the format is: "0 – Area/operator code (X) – subscriber number (N)" When dialling a Bangladesh number from abroad, the format is: "+880 – Area/operator code (X) – subscriber number (N)" The subscriber number is the number unique to each individual telephone/mobile following the area/operator code. The Area/operator codes in Bangladesh are listed below, with a typical number format, where "X" denotes the Area/Operator code and "N" denotes the individual subscriber's telephone/mobile number. Mobile network operators Typical format for a mobile phone number when dialed from locally ''01XNN-NNNNNN'' and for international call is ''+880 1XNN-NNNNNN'' (where X is operator code and N is subscriber number). Operator code for mobile network operators are: After 2018, when MNP was introduced ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telephone Numbers In Azerbaijan
Telephone numbers in Azerbaijan are regulated by the Ministry of Digital Development and Transportation of the Republic of Azerbaijan. A caller from outside Azerbaijan would dial the international access number (international call prefix) of the originating country (00 for many countries, 011 from NANP areas), then dial the country code (in this case 994), omit the trunk prefix, then dial the two-digit area code, and then the seven-digit local number. For example, to reach the United States embassy in Baku, Azerbaijan, a caller in the United States would dial 011-994-12-498 0335, while a caller in the UK would dial 00-994-12-498 0335. (The area code for Baku is 12.) For calls within Azerbaijan but outside the caller's area code, the caller would not dial an international access number or country code, but dial the trunk prefix (in this case 0) then the area code, followed by the telephone number. So, for instance, to call the American embassy in Baku from Ganja, Azerbaijan, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telephone Numbers In Afghanistan
Fixed (landline) codes Area codes in Afghanistan are two digits long. It is common to write phone numbers as (0xx) yyy-yyyy, where xx is the area code. The 0 prefix is for long-distance dialing from within the country. International callers should dial +93 xx yyyyyyy. Area codes for common cities are: *093 xx yyyyyyy: Afghanistan *020 yyy yyyy: Kabul *026 yyy yyyy: Daykundi *030 yyy yyyy: Kandahar *040 yyy yyyy: Herat *050 yyy yyyy: Mazar-i-Sharif *060 yyy yyyy: Jalalabad *070 yyy yyyy: Gardez Mobile phone codes There are six mobile phone companies currently operating in Afghanistan. Mobile phone numbers are written as (0xx yyy-yyyy), where xx is the code. The 0 prefix is for dialing from within the country. International callers should dial +93 xx yyy yyyy. Some of the mobile phone codes are: AWCC *070 yyy yyyy *071 yyy yyyy Roshan (TDC) *079 yyy yyyy *072 yyy yyyy Etisalat Afghanistan *078 yyy yyyy *073 yyy yyyy MTN Afghanistan *077 yyy yyyy *076 yyy yyyy Sa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telephone Numbers In Venezuela
The Venezuelan Numbering Plan is an open telephone numbering plan with three-digit area codes and seven-digit telephone numbers that directs telephone calls to particular regions on a public switched telephone network (PSTN) or to a mobile telephone network, where they are further routed by the local network. The last revision of the current numbering plan is September 21, 2000. Example landline calls (''using Caracas as reference''): 5551212 (within metropolitan area) 0212 5551212 (within Venezuela, Caracas excluded) 011 58 212 5551212 (from the U.S./Canada to Venezuela) Geographic area codes Mobile telephone area codes Area codes 417 and 418 were deleted in 2006 when Digicel and Infonet were bought by Digitel, migrating their subscribers to a single access code: 412. Other area codes *Codes starting with 1XX specify a particular carrier to route a call to (XX ''denotes the carrier code'').Despite being specified in the last revision of the Venezuel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telephone Numbers In Peru
Phone number formats Telephone numbers in Peru are made of: Mobile telephony * Nine digits for mobile numbers across the country. The first digit is always the number nine. Fixed (land) lines * Seven digits in the Metropolitan Area of Lima and Callao * Six digits in the rest of the country Area codes Peruvian area codes for each region (national subdivision) are 2 digits long except for Lima and Callao. On 1 March 2003 new codes were established. The following is a list of the area codes in Peru: Mobile phone calls within Peru (Mobile Virtual Area) From September 4, 2010, a national Mobile Virtual Area was created meaning that all mobile numbers in Peru are ''non-geographical'' (not attached to any geographical region but instead to the new MVA). In addition to that all mobile numbers across the country turned to nine digits long: 9xx xxx xxx. The following instructions are valid across the country: Calls from mobile to mobile 9xx xxx xxx (just dial the 9-digit numb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telephone Numbers In Paraguay
Telephone numbers in Paraguay all have the same format since 2002, consisting of the country code A country code is a short alphanumeric identification code for countries and dependent areas. Its primary use is in data processing and communications. Several identification systems have been developed. The term ''country code'' frequently re ... (595), followed by a phone number. Phone numbers in Paraguay have 9 digits. The first two or three digits are the area code, the remaining six or seven digits are the subscriber number. According to ITU document for Paraguay, the national number format for the basic telephony service may have 2 variations: Where A is NOT equal to 0, 1, 8 and 9; and B, X and Y is NOT equal to 0. To make local calls inside Paraguay, the 6- or 7-digit subscriber number is used. To make a call to cell phone, dial "0" + the number of cell phone. To make inter-provincial calls, it is required to dial prefix "0" followed by (P)QR code + the 9-digit pho ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telephone Numbers In Brazil
The Brazilian telephone numbering plan uses a two-digit area code and eight-digit local phone numbers for landlines and nine digits for mobile lines. Public utility services use short phone numbers (usually three digits), always starting with ''1''. Local dialing As established by ANATEL, the Brazilian federal telecommunications regulatory agency, the format for a local phone number is ''nnnn-nnnn'' (eight digits) for landlines, and ''nnnnn-nnnn'' (nine digits) for mobile lines. The first digits of the local number identify the service associated with the phone number: *''100'' to ''199'': special short public utility numbers (see below) *''2000'' to ''5999'': landlines *''6000'' to ''8999'': Unused (iDEN was disestablished in 2018) *''91000'' to ''99999'': mobile phones ''0'' is reserved for long-distance calls and cannot be used as a local initial digit (see below). ''901'' to ''909'' have been reserved for automated system of national collect calls ( see below) since 19 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telephone Numbers In Argentina
In Argentina, area codes are two, three, or four digits long (after the initial zero). Local customer numbers are six to eight digits long. The total number of digits is ten, for example, phone number (11) 1234-5678 for Buenos Aires is made up of a 2-digit area code number and an 8-digit subscriber's number, while (383) 123-4567 would be an example of a Catamarca number. Local dialing Local landline phone numbers in Argentina can have 6, 7 or 8 digits, depending on where they are located: * Most of Greater Buenos Aires uses 8 digits. * Second-tier cities use 7 digits. * Remaining towns and cities use 6 digits. Local numbers usually begin with a 4, although in recent times numbers having 2, 3, 5, 6, or even 7 and 8 as the first digit are not uncommon. Thus, for example to call a local number within Buenos Aires, one should dial 1234–5678; within Mar del Plata, 123-4567 and within Villa Carlos Paz, 12–3456. For mobile phone dialing, see the corresponding section below. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telephone Numbers In Angola
Telephone numbers in Angola are 9 digits long (except for special 1xx service numbers like Police and Emergency services), and must always be dialed in their entirety. Land-line (fixed-line) numbers start with digit 2, followed by 1 or 2 digits area code that corresponds to a geographic area. Description of the Angola telephone network After the area code, there is the telecoms operator identifier, which consists of 1 digit, then the subscriber number. Mobile numbers have no geographic area, and they start with the operators identifier which currently are 91, 923 and 93. Calling formats * xxx xxx xxx Calls within Angola * +244 xxx xxx xxx Calls from outside Angola The NSN length is nine digits. List of area codes in Angola References ITU allocations list Angola Angola, officially the Republic of Angola, is a country on the west-Central Africa, central coast of Southern Africa. It is the second-largest Portuguese-speaking world, Portuguese-speaking (Lusophone ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
