BIN 521669
BIN 521669 belongs to a Mastercard debit classic card issued by Computer Services, INC. in United States.
| BIN / IIN | 521669 |
|---|---|
| Card brand | Mastercard |
| Card type | Debit |
| Card level | Classic |
| Prepaid | No |
| Issuing bank | Computer Services, INC. |
| Issuer phone | +18005454274 |
| Issuer website | http://www.csiweb.com |
| Country | 🇺🇸United States(US) |
What this BIN tells you
A card that starts with 521669 runs on the Mastercard network, is a debit card, was issued by Computer Services, INC. and comes from United States. Payment systems read these first six digits before anything else: to route the transaction to the right network, to apply interchange and currency rules, and to flag mismatches between the card's country and the buyer's location.
A BIN identifies a range of cards, never one account. Knowing it tells you nothing about any individual cardholder. To test how your checkout handles Mastercard cards, use Mastercard test numbers for form validation, and your gateway's official sandbox cards for payment flows.
BIN 521669 FAQ
Which bank issued BIN 521669?
BIN 521669 is issued by Computer Services, INC. in United States.
Is BIN 521669 a credit or debit card?
BIN 521669 is a debit card on the Mastercard network.
What country is BIN 521669 from?
Cards starting with 521669 are issued in United States (US).
Can BIN 521669 identify a cardholder?
No. A BIN covers every card in a range from one issuer. It identifies the bank, brand, type and country, not an individual account.