RTNDIR
121140218 routing number Westamerica Bank Suisun City

121140218 Routing Number - Your Guide to Westamerica Bank

Are you looking for information about routing number 121140218? Our routing number lookup service will have you covered! This unique number belongs to the Westamerica Bank branch in Suisun City, California, and is used to identify this financial institution and routing transit number (RTN) in the United States. Use routing number 121140218 to ensure your electronic funds transfers are directed to the correct account. You can get more information about this routing number and other financial institutions by using our routing number lookup service.

Get Detailed Information About Routing Number 121140218
“ Information about ABA number ”
“ Information about owner of routing number ”
“ Information about branch location ”

Understanding Routing Number 121140218

Routing number 121140218 is a 9-digit code used to identify financial institutions in transactions. Known as an RTN or transit number, it ensures accurate direction of your funds.

What Bank Uses Routing Number 121140218?

This routing number is linked to Westamerica Bank in Suisun City, CA, highlighting the specific branch where the account was established.

When Do You Need a Routing Number

The routing number 121140218 is essential for funds transfers to or from your account. Note that it's not used for debit or credit card transactions.

Locating the Routing Number on a Paper Check

Find the 121140218 routing number at the bottom left corner of your check or on your Westamerica Bank statement.

121140218 routing number on a paper check

FedACH Routing Number 121140218 - Westamerica Bank

Routing Number121140218
BankWESTAMERICA BANK
Office CodeMain office
Servicing FRB Number121000374
Record Type Code1
  • 0 = Institution is a Federal Reserve Bank
  • 1 = Send items to customer routing number
  • 2 = Send items to customer using new routing number field
AddressPo Box 1200
CitySuisun City
StateCalifornia (CA)
Zip Code94585
Telephone(800) 848-1088
RevisedMarch 11, 2005
Institution Status Code1

Code is based on the customers receiver code
1 = Receives Gov/Comm

New Routing NumberBank institution's new routing number resulting from a merger or renumber

Find WESTAMERICA BANK Of Suisun City , Po Box 1200 Location on Google Map :

What Determines a Routing Number?

12 - Indicates the type of financial institution.

11 - Federal Reserve Bank district branch identifier.

4021 - Location of account opening.

8 - Check digit confirmation number.