BIN 550603
BIN 550603 belongs to a Mastercard credit card issued by Banco Nacional Ultramarino, S.A. in Macau.
| BIN / IIN | 550603 |
|---|---|
| Card brand | Mastercard |
| Card type | Credit |
| Card level | Not specified |
| Prepaid | No |
| Issuing bank | Banco Nacional Ultramarino, S.A. |
| Issuer phone | +85328335533 |
| Issuer website | http://www.bnu.com.mo |
| Country | 🇲🇴Macau(MO) |
What this BIN tells you
A card that starts with 550603 runs on the Mastercard network, is a credit card, was issued by Banco Nacional Ultramarino, S.A. and comes from Macau. 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 550603 FAQ
Which bank issued BIN 550603?
BIN 550603 is issued by Banco Nacional Ultramarino, S.A. in Macau.
Is BIN 550603 a credit or debit card?
BIN 550603 is a credit card on the Mastercard network.
What country is BIN 550603 from?
Cards starting with 550603 are issued in Macau (MO).
Can BIN 550603 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.