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 numbers beginning with 3xx, 4xx, 91x and 90x began to be issued. Confusion is also caused by exchange automated changed number announcements where the voice synthesiser assumes that "all" area codes have four digits and places the spoken pause incorrectly. From June 2005 new local numbers in London with an initial "3" like (020) 3222 1234 began to be allocated. Owing to the lingering confusion, people unaware of the correct format are beginning to assume erroneously that there is now a new London code, "0203". Even some local and national newspapers have given this misinformation. Some people report mis-dialling of