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.
Visa a major credit card issuer uses the digits 2 through 6 to identify the bank. 7 to 12 or 15 are used to identify the account number and the last number is called the check digit. The pattern in Visa credit cards can vary greatly because all of Visa credit cards do not have the same amount of digits on credit cards.