- What are the most popular banks at
CheckLookup™?
The CheckLookup™ system allows you to validate and verify a check
from any U.S. bank. You can find out in real-time: Approved or
Declined.
All U.S. Bank of America Routing Numbers are
included in the database. Call the bank directly to verify funds,
never call the number on the front of the check! Get the number
direct - from CheckLookup™.
All banks are covered, not just some. Here is a complete list of
almost 50,000 banks that are listed in the CheckLookup system: