Washington Square Branch of Westamerica Bank in Petaluma, CA

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BankWestamerica Bank
BranchWashington Square Branch
Address203 South Mcdowell Boulevard,
Petaluma, California 94954
Contact Number(707) 766-7880
CountySonoma
Service TypeFull Service, brick and mortar office
Date of Establishment04/22/1974
Branch Deposits$60,892,000

Opening Hours and Directions

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Bank Information
Bank Holding CompanyWESTAMERICA BANCORPORATION
HeadQuarters Address1108 Fifth Avenue,
San Rafael, CA 94901
United States
Bank Type13 - STATE MEMBER BANK
FDIC CERT #03430
Total Bank Assets$5,493,199,000
Domestic Deposits$4,733,286,000
RSSD (Federal Reserve ID Number)697763
RSSD (Federal Reserve ID Number) for Holding Company1025541

Routing Number for Westamerica Bank in California

A routing number is a 9 digit code for identifying a financial institute for the purpose of routing of checks (cheques), fund transfers, direct deposits, e-payments, online payments, etc. to the correct bank branch. Routing numbers are also known as banking routing numbers, routing transit numbers, RTNs, ABA numbers, and sometimes SWIFT codes (although these are quite different from routing numbers as SWIFT codes are solely used for international wire transfers while routing numbers are used for domestic transfers). Routing numbers differ for checking and savings accounts, prepaid cards, IRAs, lines of credit, and wire transfers. Usually all banks have different routing numbers for each state in the US. You can find the routing number for Westamerica Bank in California here.

Total Assets: The sum of all assets owned by the institution including cash, loans, securities, bank premises and other assets. This total does not include off-balance-sheet accounts.

RSSD: The unique number assigned by the Federal Reserve Board (FRB) to the top regulatory bank holding company. This unique identifier for Westamerica Bank is 697763.

FDIC CERT #: The certificate number assigned to an institution for deposit insurance. The FDIC Certificate Number for Washington Square Branch office of Westamerica Bank in Petaluma, CA is 03430. This unique NUMBER is assigned by the FDIC and is used to identify institutions and for the issuance of insurance certificates by FDIC.


Branch Location


Westamerica Bank Branches in Petaluma, CA
Petaluma Branch
Washington Square Branch

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ABA Routing Number: Routing numbers are also referred to as "Check Routing Numbers", "ABA Numbers", or "Routing Transit Numbers" (RTN). The ABA routing number is a 9-digit identification number assigned to financial institutions by The American Bankers Association (ABA). This number identifies the financial institution upon which a payment is drawn. Routing numbers may differ depending on where your account was opened and the type of transaction made. Each routing number is unique to a particular bank, large banks may have more than one routing number for different states.

ACH Routing Number: ACH Routing Number stands for Automated Clearing House (ACH). This routing number is used for electronic financial transactions in the United States. ACH helps to improves payment processing efficiency and accuracy, and reduce expenses. Banks offer ACH services for businesses who want to collect funds and make payments electronically in batches through the national ACH network. ACH routing number is a nine digit number. The first four digits identify the Federal Reserve district where the bank is located. The next four numbers identify the specific bank. The last number is called as a check digit number which is a confirmation number. ACH Routing Numbers are used for direct deposit of payroll, dividends, annuities, monthly payments and collections, federal and state tax payments etc.

Fedwire Routing Number: Fedwire Transfer service is the fastest method for transferring funds between business account and other bank accounts. It is used for domestic or international transactions in which no cash or check exchange is involved, but the account balance is directly debited electronically and the funds are transferred to another account in real time. To complete a wire transfer, the sender must provide his bank name and account number of the recipient, the receiving account number, the city and state of the receiving bank and the bank's routing number.