The routing number for Patelco Credit Union is 321178422. This number is used to identify Patelco for various financial transactions, such as direct deposits, electronic transfers, and automatic payments. It is important to use the correct routing number to ensure that transactions are processed accurately and efficiently. For further details or specific inquiries regarding transactions, members are encouraged to check the current web page for contact information or additional resources. Surety in using the appropriate routing number can help avoid any potential issues with your banking activities. If you have any other questions or need more information on banking services offered by Patelco, feel free to ask.