You can check the Network of any Number by Sending 'N 03xx3456789' to 76367 for Rs. 2 + tax76367 for Rs. At T Sim Card CheckerI don’t think that the IMSI is generated with a Luhn checksum so I don’t think you can – but I could be mistaken. This is what I found about the format: The IMSI is a fixed 15-digit length. It consists of a 3-digit Mobile Country Code (MCC), a 3-digit Mobile Network Code (MNC), and a 9-digit Mobile Station Identification Number (MSIN). Telcordia Technologies is responsible for the assignment and administration of the first six digits (the MCC + MNC) to network operators, and the network operator to which these digits are assigned is responsible for the assignment and administration of the last 9 digits (the MSIN). Reinstall microsoft solitaire windows 10. You are somewhat correct – for GSM SIMs there are both 19 and 20 digit ICCIDs. Check out the on it. The reality is that it’s sort of messy. With the GSM Phase 1 specification using 10 octets into which ICCID is stored as packed BCD, the data field has room for 20 digits with hexadecimal digit “F” being used as filler when necessary. In practice, this means that on GSM SIM cards there are 20-digit (19+1) and 19-digit (18+1) ICCIDs in use, depending upon the issuer. However, a single issuer always uses the same size for its ICCIDs. ![]() Check My Sim CardTo confuse matters more, SIM factories seem to have varying ways of delivering electronic copies of SIM personalization datasets. Some datasets are without the ICCID checksum digit, others are with the digit. As required by E.118, The ITU regularly publishes a list of all internationally assigned IIN codes in its Operational Bulletins.
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