The mobile number prefix "09" in the Philippines is used by several major networks, including Smart Communications, Talk 'N Text (TNT), Globe Telecom, TM (a Globe subsidiary), and Sun Cellular (now part of Smart). Each of these networks has specific prefixes starting with "09" that identify their subscribers:
- Smart Communications and Talk 'N Text prefixes include 0907, 0908, 0909, 0910, 0911, 0912, 0913, 0914, 0918, 0919, 0920, 0921, 0928, 0929, 0930, 0938, 0939, 0940, 0946, 0947, 0948, 0949, 0950, 0951, 0970, 0981, 0989, 0992, 0998, 0999
- Sun Cellular prefixes include 0922, 0923, 0924, 0925, 0931, 0932, 0933, 0934, 0941, 0942, 0943, 0944
- Globe Telecom and TM prefixes include 0817, 0905, 0906, 0915, 0916, 0917, 0926, 0927, 0935, 0936, 0937, 0945, 0955, 0956, 0965, 0966, 0975, 0977, 0994, 0995, 0996, 0997
Knowing the prefix helps determine the network of a mobile number, which is useful for choosing appropriate call or text promos since some offers are network-specific
