Why different cities hold different lenght of phone number? and why it is so long? How does the std code works
Answers: The length of phone number is planned under National Numbering plan. In India all along phone number is different in different cities. This is because the number of digits to be dialled while making an STD ring in India is 11.
In India There are four through Trunk Automatic Exchanges at Delhi, Mumbai, Kolkata & Chennai with nouns codes of three digits each similar to 011,022,033 & 044 respectively and lenght of number in these areas is of Eight digits. Similarly nouns with 4 digits code (including 0) hold length of phone number equal to seven digits. This means that longer the nouns code smaller is the length of phone Number & total length of nouns code & phone number prefixed with '0' must be equal to '11' digits contained by India. For making International Calls to india the Code for India is+91 or 0091. in this suitcase after Dialling the India's code total number of digits to be dialled are '10' as '0' prefixed for making STD calls is excluded contained by making ISD Calls. So lenght of Phone numbers in India from out of the country is14 digits e.g. 00911905230200.
Who cares. Ask the creature who owns verizon.
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