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.
Below is the full list of credit card issuers and the respective length of their credit card numbers: Visa and Visa Electron Credit Cards. These credit cards have 13 or 16 digits in their number. Mastercard and Discover Credit Cards. Both of the above cards have 16 digits. American Express Credit Cards. AmEx cards have 15 digits in their number. Dinerâs Club: You will find exactly 14 digits in the Dinerâs Club Credit Card number.