Credit reporting codes are used by all three major credit reporting agencies. These codes help determine your credit score. Each credit reporting agency will have different codes and they all impact your credit scores that lenders use for credit granting criteria. Lenders use credit scores to determine the likelihood that you will default on a loan. The codes are issued in a sequence or range of numbers. Credit Score Calculation Your credit score is determined by five categories which include, your pay history (35 percent), amount of debt...