Most often, credit scores are used by financial institutions, credit card companies, and car dealerships to determine whether or not they should provide you with credit, and what the terms, interest rate, and down payment of the credit will be. Credit score calculations are placed into five categories between the ranges of 300-850: Poor: 579 or. The First Progress Mastercard is a full-featured credit-card with a credit line based on a refundable security deposit instead of your credit score. The card reports to all three credit bureaus every month to help establish or re-establish new credit history. If you qualify for one of our Secured Credit Cards, you would also qualify for either.