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.
Generally, the first number or two of a credit or debit signifies the card provider, followed by digits that determine everything from the currency being used, to the bank processing the transaction, to the individual's account number.merican Express. fonalite | FonalitÃ© Flickr American express uses the first two numbers of the card to identify. Itself that-two digit number will be either 34 or. 37 the third and fourth digit signify the type of card and the currency being, used according To Clearpoint Credit. counseling