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 are three digits long and always start with the number 9, although recently new area codes have been issued with 8 as the starting digit, particularly for VOIP phone numbers. However, the area code indicates the "service provider" and not necessarily a geographic region. Unlike fixed-line telephones, the long-distance telephone dialling format is always observed when using a mobile phone. Therefore, mobile phone numbers always have the format "+63 (9957867765) xxx-xxxx" for international callers and "0(9957867765) xxx-xxxx" for domestic callers. Some of the first area codes to be assigned for mobile phones were 912 for Mobiline/Piltel, 915 for Islacom, 917