What ? Why ? Not me.

Would somebody be able to tell me what location the following SCB bank book codes correspond: 60010 , 7719C, 6101 S, 7116O, 81020, 7716O or 7716D (the last letter is not clea). thank you ได้เลยครับ น

I saw many of them in Siam Centre and Siam Paragon, please do explain to me why is that and what is the cause of this. Thank you for your answer.