These days it’s really common you have to validate a credit card when creating an account. iTunes, Android and Zune marketplace all ask for it for example. These validators all do a simple check if the numbers enter conform to the Luhn formula (also known as MOD10). So even a random set of numbers that comply to the formula do pass the test.

To use these numbers just choose a credit card vendor below and enter an expiry date within three years from now. For the security/CVV2 / CVC / etc number just enter three random numbers.

Note: none of the numbers below can be used to buy anything.

Mastercard

VISA 16 digit
5461165238429312
5156953847850824
5438403732161481
5252680059558836
5508772989137443
5318168726661136
5144922121145883
5261242930296901
5327949170315199
5519540736744051		 4032085651846243
4532061539066754
4061534970190704
4916676430207276
4916433967947035
4485714126299934
4556704671619754
4916254336758477
4532078015731933
4916443996264757

VISA 13 digit

American Express
4929449341821
4556289793231
4916685434964
4929472397419
4024007191295		 374249117320474
371746900768853
341572007918747
348995613072182
347 683709539501

Discover

Diners Club
6011697115111723
6011806986755027
6011979939899513		 30013120468431
30259662260153
30143005018249

enRoute

JCB 15 digit
214917146551418
214935741055353
214967781653466		 180013264037602
210071724393969
210078721199216

JCB 16 digit

Voyager
3528511782517802
3088872669971872
3112778283400224		 869949540313978
869985373674441
869973513645281