Other PNC Routing Numbers. These routing numbers are used for specific addresses and branches. There are a number of ways that customers can find your Account/Bank Routing number: On your checks. Your Account number and Bank (ABA) Routing number can be found at the bottom of your checks. The routing number is on the right side, and your account number is the long number in the middle. The routing number on a PNC check can be found in the bottom left corner. Use the PNC Routing Number Lookup Tool.