Orange County''s Credit Union Orange County's Credit Union offers great rates, online banking, and outstanding personal service. Open an account today and experience the benefits of being a Member. Originally chartered in 1938, today the Credit Union serves over 100,000 Members who have access to nearly 30,000 CO-OP Network ATMs, Online Banking services, as well as investment options, auto loans, and mortgages. Orange County's Credit Union is for people, not profit.