How do i file a complaint with orange county credit union? Write us at: Orange County's Credit Union Credit Dispute Department P O Box 11777 Santa Ana, CA 92711-1777 Please provide the following information: Tell us your name, account number, loan number, address, and phone number.What is orange countys credit union? Orange County's Credit Union was chartered on Jan. 1, 1938. Headquartered in Santa Ana, CA, it has assets in the amount of $1,207,659,057. Its 90,274 members are served from 11 locations.How do you wish to thank orange countys credit union? Thank you for being a loyal Member of Orange County's Credit Union, and we look forward to your next visit with us. THANK YOU OCCU! I spoke with loan officer Alicia Rubio yesterday for follow up to my online auto loan application. She was very genuine with her inquiries into household and history as I am co-applying with my student daughter.Is it safe to visit orange countys credit union branches? When visiting any Orange County's Credit Union branch, please maintain safe social distancing measures and wear a face covering. Thank you for considering the well-being of our Associates and Members.