American Express cards start with either 34 or 37. Mastercard numbers begin with 51–55. Visa cards start with 4.
Locating the Account Number on Your Card. Find the number located on the front of your card. Your credit card number should be either printed or embossed in raised numbers across the front of your card. This is usually a 16-digit number, although it may be anywhere from 12 to 19 digits.
The first 6 digits of a credit card number are known as the Issuer Identification Number (IIN), previously known as bank identification number (BIN). These identify the institution that issued the card to the card holder. Online merchants use bin list to help validate credit card transactions.
The best way for you to get the correct ZIP code is to contact the bank that has issued the Credit Card for you. Your bank should provide you with this information on the spot. Also, if you have any bills or documents on which you can find your Credit Card's info, you can use the ZIP provided there as well.
Here's
how to decipher a
credit card number.
First number
- First digit: 2; Credit card issuer: Mastercard (2017)
- First digit: 3; Credit card issuer: American Express AXP, -3.99%
- First digit: 4; Credit card issuer: Visa.
- First digit: 5; Credit card issuer: Mastercard.
- First digit: 6; Credit card issuer: Discover DFS, -7.93%
Call the credit card company. If you do not have access to your credit card and you can't find your account number on your statement or online, call your credit card company to get your account number. The number for your credit card company should be located on your bill, or you can look online to find it.
How do I use a debit card without a CVV number? You can't. If your debit card doesn't have a CVV, contact your bank and ask them to send you one that does.
On Visa, MasterCard, and Discover cards, the code is a three-digit code on the back of your card. The preceding four digits (“3456” in the image above) are the last four digits of your card number. On American Express cards, the security code is a four-digit code on the front of the card.
The
digits after the bank number up through
digit 15 are the account number, and
digit 16 is a check
digit.
The first digit in your credit-card number signifies the system:
- 3 - travel/entertainment cards (such as American Express and Diners Club)
- 4 - Visa.
- 5 - MasterCard.
- 6 - Discover Card.
Credit card number. The first six digits on a credit card are called the issuer identification number. They identify the issuer — Discover, or American Express, for example. The remaining digits of a credit card number are unique to the individual card.
On Visa, MasterCard, and Discover cards, the code is a three-digit code on the back of your card. The preceding four digits (“3456” in the image above) are the last four digits of your card number. On American Express cards, the security code is a four-digit code on the front of the card.
The first digit in your credit-card number signifies the system:
- 3 - travel/entertainment cards (such as American Express and Diners Club)
- 4 - Visa.
- 5 - MasterCard.
- 6 - Discover Card.
As far as most consumers are concerned, there is no real difference between MasterCard and Visa. The two are both widely accepted in over two hundred countries and it is very rare to find a location that will accept one but not the other. However, neither Visa nor MasterCard actually issue any credit cards themselves.
A
credit card number is usually 15-16 digits long, but it could be as many as 19 digits or as few as 13 in some cases. Each of these individual
credit card numbers has meaning.
Issuer Identification Numbers: The First 6 Digits.
| Issuer | Example Identification Number | Meaning |
|---|
| Chase | 414720 | Chase Signature Visa |
Visa Credit Cards — Chase - IIN 414720
| Card Scheme | Visa |
|---|
| Bank Name | Chase |
| Card Type | CREDIT |
| IIN | 414720 |
| Card Number | 4147 20XX XXXX XXXX |
The first digit in your credit-card number signifies the system:
- 3 - travel/entertainment cards (such as American Express and Diners Club)
- 4 - Visa.
- 5 - MasterCard.
- 6 - Discover Card.
If there are more than a million such cards, it is certain that two of them share the same last four digits. It is still possible (but unlikely) that your last four digits are unique. Assuming the numbers are unique, there are 106−1 other numbers that would match yours in the last four digits.
A bank identification number (BIN) is the initial four to six numbers that appear on a credit card. The bank identification number uniquely identifies the institution issuing the card. The BIN is key in the process of matching transactions to the issuer of the charge card.
Visa and Mastercard always have 16 digits whereas American Express has 15 digits.
What can be revealed by 16 digits written on a Debit Card? On the front face of debit card, a 16 digits' code is written. It is also known as a Permanent Account Number or PAN. First 6 digits are the Bank Identification Number and the rest 10 digits are a Unique Account Number of the card holder.
The easiest way to know your J&K bank's 16 digit account number is through your net banking. Mini statement option in your online banking services can easily give you 16-digit account number.
The remainder of the 16 digits (or 15, in the case of American Express), represent both the cardholder's account number as well as one or more “check digits.” A check digit is applied to an unusual formula that helps determine if your credit card number is actually valid.
Each card number only has 1 valid combination, so there's only a 1/1000 chance of you guessing that right.
If you are the primary account holder on one account and an authorized user on another account, you could end up with two of the same credit card in your wallet, both bearing your name. Similar products. You can carry two similar, but not identical, cards.
A bank identification number (BIN) is the initial four to six numbers that appear on a credit card. The bank identification number uniquely identifies the institution issuing the card. The BIN is key in the process of matching transactions to the issuer of the charge card.
The CVV Number ("Card Verification Value") on your credit card or debit card is a 3 digit number on VISA®, MasterCard® and Discover® branded credit and debit cards. On your American Express® branded credit or debit card it is a 4 digit numeric code.
Many people assume that all PANs are 16
digits long. However, several
card brands
have always allowed for a fixed set of
digits or a range of
card numbers, with the most common being 16-
digits.
Are 19-digit PANs New?
| Issuer | Card Lengths |
|---|
| Maestro | 16 - 19 |
| Solo | 16, 18 or 19 |
| Switch | 16, 18 or 19 |
| Visa | 16, 18 or 19 |
All credit and debit cards have numbers printed on them (generally 16 digits). This signifies a unique account number for a card and reveals some information about the card issuer and its associated account. For obvious reasons, just any randomly generated numbers will not work, they follow pattern.
(For example, if one of the numbers is 8, it doubles to 16, then you add 1 + 6 to get 7.) Next, add those together with the alternating numbers that you did not double. If the total you get is divisible by 10, the credit card number is likely valid.
First digit is 4 for VISA, 5 for Mastercard, 6 for Discover/Diners Club, 3 for American Express/Diners Club (those are shorter than 16). Also, first 6 digits for Visa and Mastercard are code numbers for the issuing institution.
Credit card numbers can be converted into cash by buying up gift cards and purchasing easily sellable items to resell through online marketplaces such as eBay, Steinberg says.