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 the Philippines the Philippines employs an open dial plan, telephone numbers dialled within a given area code do not require the area code, excluding calls made from mobile phones or pay phones. When dialling other area codes, the domestic long distance access prefix 0 is added, but when dialling from overseas, the domestic prefix is not included. As such, a typical telephone number in Metro Manila and Rizal would look like this: Areas are grouped into seven broad areas determining the first digit of a given area code. These areas and their accompanying area codes are listed below: Mobile phone area codes