United States · ACH / ABA
121141000 — Westamerica Bank
121141000 is an ACH / ABA routing number for WESTAMERICA BANK in SUISUN CITY, CA. Use it for direct deposit, bill pay and ACH transfers.
Sending this money abroad? Compare it against an international wire from Westamerica Bank. Compare transfer costs →
Routing number
121141000
121141000 breaks down as 1211 for fed, 4100 for bank, 0 for check.
SUISUN CITY, CA
Bank information
- Bank
- WESTAMERICA BANK
- Routing number
- 121141000
- City
- SUISUN CITY
- State
- CA
- ZIP
- 94585
- Address
- PO BOX 1200
- ABA checksum
- Valid
- Country
- United States
Other Westamerica Bank routing numbers2
US & international payments
Banking with Westamerica Bank?
Hold 80+ currencies, spend on a Visa card and move money abroad — alongside the account you already have at Westamerica Bank. Conversions are quoted at the mid-market rate, with the cost charged as a visible fee rather than buried in the rate.