FROST NATIONAL BANK Routing Numbers
2 routing numbers across 1 state.
FROST NATIONAL BANK FAQ
How many routing numbers does FROST NATIONAL BANK have?
FROST NATIONAL BANK has 2 routing numbers across 1 state. Large banks often have different routing numbers for different regions or transaction types.
Which FROST NATIONAL BANK routing number should I use?
Use the routing number for the state where your account was opened. For wire transfers, contact FROST NATIONAL BANK directly — they may use a separate wire routing number.
Looking for a Modern Business Bank?
Holdings offers free business checking, 1.75% APY, FDIC insurance up to $3M, and AI-powered bookkeeping. No monthly fees.
Open a Holdings Account →