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
Long-distance calling '00' for international calls, the European standard. It is now normal for local calls to cost the same as long distance UK calls, and is now common, for a small extra monthly charge, to allow free calls to landlines within the UK. This free call allowance does not normally cover calls to the Isle of Man or the Channel Islands, which whilst confusingly having UK national dialling codes, are separate telephone administrations. International calling from the UK is deregulated in that many alternative providers allow very cheap international calling by the caller dialling an access code, usually beginning with the