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Thread: How to recognise the different M&M card numbers?
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Old Sep 12, 2015, 10:53 pm
  #32  
giubeppe
 
Join Date: Oct 2013
Location: Southern California
Posts: 12
Originally Posted by PetzLUX
The 15-digit number is the service card number (the number shown on your M&M card).
The 9-digit number shown in your account after login is your customer number.
Personnally I always use the 15-digit number in communications with M&M. This number is also the one shown (partially) on your boarding passes.
I never used the customer number, but I could see that it was used by OS when they did reply to me via email when I did contact them via online form on the internet site.
Thanks for replying to me regarding this.

Yes, my service card number has 15 digit (the one I use to login), but so is the one I see on the second page has also 15 digit (and it's different).

The interesting thing (I just verified it) is that I can use either number to login to my account (with the same PIN).

It seems like two accounts that are merged, but cannot remember any communication.

Thanks,

Giuseppe
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