CCUN - What does CCUN stand for? The Free Dictionary
References in periodicals archive
These services are provided through the CCUN system, which was developed by EDS in 1983.
Now, working with CCUN, we're facilitating a range of new E-commerce products and services that will positively impact all levels of the industry.
functions as the primary source of custom- designed financial and payment services to more than 14,000 credit unions nationwide.