What bank is routing number 103109390?

Routing number 103109390 is listed by fin.codes as a cross-checked candidate for 1st State Bank; Cross-checked across 5 candidate sources. Confirm routing details directly with the financial institution before sending money.

Is 103109390 a valid US routing number?

103109390 passes the ABA routing-number checksum and is cross-checked in the fin.codes candidate dataset. Always confirm routing details with the financial institution before sending money.

Routing number 103 109 390

Listed for 1st State Bank (ACH transfers), cross-checked across public routing directories — not confirmed by the bank.

Routing number · ACHCross-checked

103109390

Listed by 5 public directoriesChecked June 28, 2026Passes the ABA checksum

All 1st State Bank numbers

Bank: 1st State Bank
Use: ACH
State / region: OK
Institution: bank

Before you send money

A routing number identifies a bank, not a person or business — a scammer can hand you a real bank's routing number and still take your money. Confirm any payment directly with your bank before you send.

Cross-checked across public routing directories

5 public routing directoriesgithub.com5 public routing directories list 103 109 390 for 1st State Bank. fin.codes hasn't confirmed it against 1st State Bank directly.

fin.codes is independent and not affiliated with 1st State Bank.

Check these first

Make sure the bank name matches 1st State Bank.
Match the number to the transfer type — this one is for ACH.
For wires, double-check the recipient's name and address too.
Avoid: No one needs your password or full card number to look up a routing number — that's a scam.

Does this match what your bank shows?

Cross-checked