how many digits is a sim card number
A typical SIM (19 digits) example 89 91 10 1200 00 320451 0, provide several details as follows: 1  The first two digits (89 in the example) refers to the Major Industry Identifier. 2  The next two digits (91 in the example) refers to the country code (91-India). 3  The next two digits (10 in the example) refers to the issuer identifier number.