Telephone numbers in India operator as well as the service and the company. Telemarketers have been issued 10-digit telephone numbers starting with 140 (140XXXXXXX) by the Department of Telecommunications on TRAI's request. 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.
Telephone numbers in Bangladesh Telephone numbers in Bangladesh The country calling code for Bangladesh is +880. The dial plan type in Bangladesh is closed, and "0" is the inteTrunk prefix. When dialling a Bangladesh number from inside Bangladesh, the format is: "0 – Area/operator code (X) – subscriber number (N)" When dialling a Bangladesh number from outside Bangladesh, the format is: "+880 – Area/operator code (X) – subscriber number (N)" The subscriber number is the number unique to each individual telephone/mobile following the area/operator code. The Area/operator codes in Bangladesh are listed below, with a typical number format, where "X" denotes the Area/Operator code