Telecom Network operators in the Philippines has made it very confusing for the people to remember their specific prefix and codes. You won’t notice any partiuclar pattern between the network codes or prefix of a Cellular Service provider. Anyhow, if you are looking for 0975 what network in Philippines and which Telecom Service is operating this network code?
0975 is the prefix or network code of TM (Touch Mobile) Tambayan cellular service which is the subsidiary of Globe Telecom.
However, to know about other network prefixes and codes of Globe or TM Tambayan, Here is the complete list.