What are the first 6 digits of a Citi card?
Matthew Harrington
Updated on February 01, 2026
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 |
|---|---|---|
| Citi | 542418 | Citibank Platinum Mastercard |
Does the name on the credit card matter?
No, middle initials or middle names are not required and having (or not having) that information will not cause the credit card to be rejected. Most banks do not require that the name on the card to match the purchaser’s name provided by the cardholder.
Where can I find out what credit card starts with 5466?
If you have the first six digits of a credit card and want to find out addional information on the card, such as the bank issuer, we suggest searching the Bin Database at bindb.com. This database will provide the details regarding credit cards that starts with 5466 or any other card once you enter the first 6 digits into the search.
What’s the credit card number for Citi IIN 546616?
Mastercard Credit Cards — CITI – IIN 546616 Card Scheme Mastercard Bank Name CITI Card Type CREDIT IIN 546616 Card Number 5466 16XX XXXX XXXX
What kind of credit card starts with number 5?
Cards that start with the number 5 are generally MasterCards. What bank credit card starts with 5466? This bank number belongs to Citibank 1-800-950-5118. Which credit card starts with 5455? What credit card starts with 5455 Which credit card starts with 5433? What type of credit card starts with 5433
What do the first six digits of a Citi credit card mean?
The first six digits of the card number, inclusive of the MII, are called the IIN (Issuer Identification Number) or BIN (Bank Identification Number). This sequence uniquely identifies the bank that issued the card. In this case, the IIN of 546616 indicates that this card was issued by CITI in United States.
