ICCID means Integrate circuit card identity. in Chinese, it is the Integrated Circuit Card Identifier, which is the card number of the SIM card in the cell phone, and each card number is unique.

ICCID as the unique identification number of the IC card, a *** is composed of 20 digits. The coding format is: XXXXXXX 0MFSS YYGXX XXXXX.

The first six-digit operator code:

China Mobile's are: 898600; 898602; 898604; 898607 .

China Unicom's are: 898601; 898606; 898609.

China Telecom's are 898603.

Expanded Information

The iccid number is printed on the cell phone's SIM card and the card tray, if you can't view it because of card cutting, wear and tear, etc., the user of the Unicom

Prepaid users for real-name registration, for card replacement, can only be in Unicom's own business halls, business personnel must be verified through the verification of the ICCID card number or on-site dialing the phone number for card replacement, has confirmed the authenticity of the SIM/USIM card.

Baidu Encyclopedia-iccid