I usually place my ACE/KENT orders through Amazon for which I had my credit card number stored and on file: xxxx xxxxxx xxxxx xxxx
There is a 4 digit routing number which changed from the old card without the chip to a different 4 digit routing number on the new card. Does anyone know if the information on file for Amazon.com needs to be notified of the four digit change? Any idea what is involved? Thank you.
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