Interesting -- the numbers on my SIM are in a very different format (four rows of 4 decimal digits each, followed by one row of three decimal digits); what I take to be a version number (37.05A) is at a 90 degree angle to the others. Jeff Andros writes: >the numbers I see are: >71234 O > 4022 > >sorry, I'm not sending my IMEI down a public channel