These credit card numbers can be used to test a payment gateway without having to perform an actual transaction.
The numbers are intended for testing systems and will be rejected by the bank.
| Card Type | Card Number | Number Characters |
| Master Card | 5105105105105100 | (16) Characters |
| Master Card | 5555555555554444 | (16) Characters |
| Master Card | 4222222222222 | (13) Characters |
| VISA | 4111111111111111 | (16) Characters |
| VISA | 4012888888881881 | (16) Characters |
| American Express | 378282246310005 | (15) Characters |
| American Express | 371449635398431 | (15) Characters |
| Amex Corporate | 378734493671000 | (15) Characters |
| Dinners Club | 38520000023237 | (14) Characters |
| Dinners Club | 30569309025904 | (14) Characters |
| Discover | 6011111111111117 | (16) Characters |
| Discover | 6011000990139424 | (16) Characters |
| JCB | 3530111333300000 | (16) Characters |
| JCB | 3566002020360505 | (16) Characters |
Credit card number length and patterns
If you’re testing how the system decides what type of card has been entered, the details below explain how each type of credit card is defined by it’s length and what it starts with.
Visa: 13 or 16 numbers starting with 4
MasterCard: 16 numbers starting with 5
Discover: 16 numbers starting with 6011
AMEX: 15 numbers starting with 34 or 37