Bank & Routing Number Lookup
Enter a US bank routing number below to verify its structure using the standard ABA checksum. No sign-up is required, and no data leaves your browser.
This tool only checks the mathematical format of a routing number (the ABA checksum). It cannot confirm the number belongs to your specific bank or account. Always verify with your bank or a physical check before saving it.
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What this tool does
The lookup validates the mathematical format of a 9-digit routing number (the ABA checksum) and reports the Federal Reserve routing symbol when applicable. It cannot confirm that a routing number belongs to your specific bank or account. Always confirm with your bank or a physical check before saving a routing number.
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