Membership Home / Membership membership Open an Account Membership is open: To any person who Lives, Works, Worships or Attends school in , Businesses and other Legal Entities located in the City of Antioch, California. Persons retired as pensioners or annuitants from the above employment. Immediate family members or members of the household of existing members. Organizations of such person and volunteers of the City of Antioch, California. Let us help you! The credit union is here to help you with all your financial needs. CONTACT US CONTACT US