630.10 Daily Operations of Merchant/Department Great Falls College accepts Visa, MasterCard, and Discover. The most secure method of accepting card payments is through our online portals. However, if this is not available, the preferred method of accepting payment is swiping or inserting a physical card. Card payments may be accepted over the phone but only as a last option Taking credit card information over the phone should be kept to a minimum. If that is the only option, immediately destroy any paper where information was written down. Great Falls College does not keep credit card information on file for future billing or automatic payments.