M&T Bank : Account Number Lookup
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Account Number Lookup Tool

To determine your new M&T Bank account number, simply enter your Social Security Number and Wilmington Trust Account Number in the areas provided below.

  1. Enter your Social Security Number or Tax Identification Number
  2. Enter your Wilmington Trust Account Number:

Helpful Hint: The Social Security Number must be that of the primary accountholder.

Please refer to your new M&T account numbers whenever you access your accounts at an M&T branch, by phone or online beginning on Monday, August 29, 2011.


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