SIM ICCID Support Dual SIM Cards! Nice UI. User friendly. SIM - ICCID can Read and Copy. SIM Serial Number/ICCID. IMSI Number. IMEI Number. Mcc/mnc/hni. What is ICCID? ICC-ID is (Integrated Circuit Card Identification) is a unique numeric identifier for the SIM that can be up to 19 or 20 digits long. It consists of an industry identifier prefix (89 for telecommunications! ).