A bank routing number is the nine-digit code that identifies the financial institution where a bank account is held. Wells Fargo is a large national bank with branches in California and throughout the United States. The Wells Fargo CA routing number is the specific routing number that is used for Wells Fargo accounts in California. For example, the routing number for Wells Fargo accounts in Los Angeles is 121000248.
The Wells Fargo CA routing number is important because it is used to identify the bank when sending or receiving wire transfers. It is also used to set up direct deposit and automatic payments. The routing number has been in use for many years and is an essential part of the banking system.