- International Mobile Subscriber Identity (IMSI)
- ICCID - unique serial number
- Security authentication and ciphering information
- Info that is stored temporarily and sent to your local network
- List of services available for user
- Personal identification number (PIN)
- Personal unblocking code (PUK)

- MCC (Mobile Country Code) - first three digits of IMSI code
- MNC (Mobile Network Code) - fourth and fifth for EMEA countries (Europe, the Middle East and Africa) or fourth, fifth and sixth digits in the code for the other (NAR) countries
- MSIN (Mobile Station Identification Number) - the last 9/10 digits of the code
IMSI number for EMEA countries looks like this:

IMSI number for NAR countries:


IMPORTANT! How to find your carrier within IMSI:
- When you have that number just check iPhone operator
- Type it in to the field called Enter IMSI number
- It will show your SIM carrier's country, operator, your MCC and MNC

- Country - 234- UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND
- Carrier - 15 - VODAFONE LTD
- SIM ID - 23415
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