IMSI, MSISDN

MCC	MNC	MSIN
( 3Digits)	( 2Digits)	( 10Digits)

IMSI : International Mobile Subscriber Identity IMSI = MCC + MNC + MSINMCC= Mobile Country Code (3 digits)MNC= Mobile Network Code (2 digit )MSIN= Mobile Subscriber Identification Number (10 digits)Ex: IMSI = MCC-MNC-MSIN = 404-22-1234567890 where,602 -  India Country Code22  -   Bharti Airtel  Network Code1234567890 -  Mobile Subscriber Identification Number
MSISDN : Mobile Station Integrated Services Digital NetworkMSISDN = CC + NDC + SNCC= Country Code (2-3 digits)NDC= Network Destination Code (2-3 digit )SN= Subscriber Number ( max 10 digits)