The prefix "09" in the Philippines is the starting digits for most mobile phone numbers. These prefixes are used to identify the mobile network provider associated with a phone number. Different prefixes beginning with "09" correspond to different networks such as Smart, Globe, Sun Cellular, Talk 'N' Text (TNT), and DITO. For example, some common prefixes and their networks are:
- 0905, 0906, 0915, 0916, 0917 – Globe/TM
- 0908, 0918, 0919, 0920, 0921 – Smart
- 0922, 0923, 0924 – Sun Cellular
- 0895 to 0898, 0991 to 0994 – DITO
- 0907, 0909, 0910, 0912 – TNT
These prefixes help users identify the network of a contact before calling or texting, which is useful for checking promos or rates specific to each network
. The "09" prefix system is part of the Philippine mobile numbering plan, where mobile numbers typically start with "09" followed by 9 more digits
. In summary, "09" is the common initial prefix for Philippine mobile phone numbers, and the digits following "09" indicate the specific mobile network operator.
