Illinois is in the Central Time Zone in the United States of America (USA). US Central Standard Time (CST) is 6 hours behind Greenwich Mean Time (GMT-6).
Credit Card Account Number Verification - Card Type Identification. This page provides information about identifying a credit card type from a card number's numeric range and number of digits. First digit must be a 3 and second digit must be a 4 or 7. Valid length: 15 digits. First digit must be 3 and second digit must be 0, 6, or 8. Valid length: 14 digits. Valid length: 16 digits.
One can tell that a credit card is a VISA card if the first digit of the card number begins with a 4.There are, however, a few exceptions including the following: 4903 4905 â¦ 4911 4936. 10 people found this useful.James Yee.here are several ways to tell if a credit card number is a Visa card number or not. First, Visa numbers always start with the number 4. They are also usually 13 or 16 digits â¦ in length.. 5 people found this useful.