US bank routing number, nine digits. Very noisy: any nine-digit run matches, an order number, a part reference, a truncated identifier. Use it only in a banking context, and expect it to take spans a narrower pattern would have claimed if it is declared first.
Label: US_BANK_ROUTING
\b\d{9}\bRouting 021000021 for the wire. → 021000021ABA number 011401533 confirmed. → 011401533123456781234567890Tags: us, finance, banking