The standard zip+4 will contain nine digits, 00000-0000. The last 4 digits are optional, but can be required with bulk mailing and to obtain certain discounts on commercial mail.
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16 digits in a credit card number. Most cases it is three.
3 Digits in a phone number area code
An International Article Number, also called an ean-13, has 13 digits. The original Universal Product Code has 12 digits. The barcode became a part of daily life with the supermarket.
There are: IBAN header - 2 alpha characters + 2 digit check digit Bank code - 4 alpha characters Sort code - 6 digits Account number - 8 digits Making a total of 22 alphanumeric characters (of which 16 are [numeric] digits).
The CVW code is three digits.