Program Information Welcome to Orange County's Credit Union, Orange County's largest community credit union. With over $1.5 billion in assets, Orange County's Credit Union enjoys a strong and secure financial position. Originally chartered in 1938, today the Credit Union serves more than 100,000 Members who have access to over 29,500 CO-OP Network ATMs, online and mobile banking, as well as investment options, auto loans, and mortgages. You can too, when you bank with us.