The bank routing number is easy to identify, once you know what you're looking for. Learn more about this critical nine-digit number.

Simply noting the first digit of the credit card account number can help you narrow down or identify the issuer. Credit cards, such as MasterCard, Visa, and Discover, all have unique, identifying ...

A Social Security number (SSN) is a numerical identifier assigned to U.S. citizens and some residents to track their income and determine benefits.

What Does SIC Code Stand for? SIC code stands for standard industrial classification (SIC) code. This four-digit number is a shorthand descriptor of the type of business a company is engaged in.