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Portugal changed to a closed telephone numbering plan on 31 October 1999; previously, the trunk prefix was '0', but this was dropped. [1]For landline subscribers, the area code, prefixed by the digit '2', was incorporated into the subscriber's number.
Iraq area codes can be 1 or 2 digits (not counting the trunk prefix 0) and the subscriber numbers are usually 6 digits. In Baghdad and some other governorates, they are 7 digits. The mobile numbers have 10 digits, beginning with the 3-digit code of each operator followed by 7 digits.
New area codes were assigned in the overlay format to address number exhaustion: in 2017, Toluca and Puebla and in 2018, León, Mexico City, and Tijuana. In the early development of International Direct Distance Dialing (IDDD), Mexico elected to join World Zone 5, instead of joining the North American Numbering Plan (NANP). [ 3 ]
The color combinations are applied to the insulation that covers each conductor. Typically, one color is a prominent background color of the insulation, and the other is a tracer, consisting of stripes, rings, or dots, applied over the background. The background color always matches the tracer color of its paired conductor, and vice versa.
Through a series of mergers, there are currently three major mobile phone operators: AIS, True and DTAC. As existing numbers run out, the three mobile phone operators are assigned numbers in code 081, distinguished by the first digit of the subscriber number. A mobile phone number consists of a mobile phone code and a seven-digit subscriber ...
Subscriber numbers are portable with respect to provider and geography, i.e. fixed line numbers can be ported to any physical address in Denmark. The Kingdom of Denmark also includes two autonomous regions, the Faroe Islands and Greenland , although each has been assigned its own country calling code and has a separate numbering plan.
Before 1993, telephone numbers would consist either of a two-digit area code and a six-digit subscriber number in cities and large towns, for example, (02) 412702 in Oslo, [1] or a three-digit area code and a five-digit subscriber number in smaller towns, for example, (034) 83000 in Larvik.
It is a closed numbering plan, [1] which means that all telephone numbers, including the area code, have a fixed number of digits. Swiss area codes are officially termed national destination codes (NDC). A complete telephone number consists of ten digits: 0xx xxx xx xx. Two formats are distinguished: three digits for the NDC and seven digits ...