Telephone numbers in India Telephone numbers in India Telephone numbers in India are administered under the "National Numbering Plan of 2003" by the Department of Telecommunications. The numbering plan was last updated in 2015. The International Telecommunication Union has assigned the country calling code "91" to India. Subscriber Trunk Dialling (STD) codes are assigned to each city/town/village, with the larger Metro cities having shorter area codes (STD codes), which are from 2 to 8 digits long. For example, Tier-2 Cities or culturally significant towns in India have STD code with 3 digits. For example, Kanpur and Lucknow were the two cities between which the
UK telephone code misconceptions 020. All the old seven-digit numbers had a 7 or 8 prefixed to them: (0171) xxx xxxx "became" (020) 7xxx xxxx<br> (0181) xxx xxxx "became" (020) 8xxx xxxx Direct dialling of 8-digit local numbers was not implemented until 22 April 2000. After this date, London became once more fully united and all local numbers could be connected correctly from anywhere in the area. The following diagram shows the history of London's code, starting with the original unified 01 code and ending with the reunified 020 code: Although London was divided for only ten years and has since been reunited for