MCC (Mobile Country Code) is a 3-digit code that identifies mobile
stations in wireless telephone networks.
MNC (Mobile Network Code) is a 2 or 3-digit code that uniquely
identifies mobile phone operators.
MCC and MNC are defined in ITU E.212
(“Land Mobile Numbering Plan”).
The following are MCC and MNC examples:
Carrier name (country) MCC MNC
British Telecom(UK) 234 00
O2 (UK) 234 02, 10, 11
Vodafone (UK) 234 15
T-Mobile (UK) 234 30
T-Mobile (Germany) 262 01, 06
SK Telecom (Korea) 450 03, 05