BIN List For Namso Gen – Updated BINs, Generator & Guide
Want to know about a credit card issuer but didn’t know how to identify fast? BIN (Bank Identification Number) is the easy option to remember and identify every credit card brand, such as Visa, Mastercard, Discover, JCB, or American Express. BIN is the first part of a card number. You can remember the BIN number list for fast identification of any card. BIN list helps in:
- Routing
- Reporting
- Fraud Check
How Does BIN Fit in a Card Number?

- PAN: It is the whole card number that is used in payments.
- BIN: It is the first 6-8-digit number that is known as an identifier. Its famous name is BIN/IIN.
- Account Number: It is the number that comes after BIN.
- Check digit: These are the last digit that follow the Luhn Algorithm and are used for a math check.
Using BIN Lists with Namso Gen for Secure Testing
Ready to try? Follow these steps. It’s simple.
- First, find a BIN. From the lists above.
- Second, go to the Namso Gen site.
- Third, paste BIN.
- Fourth, set options.
- Fifth, generate.
- Sixth, test in your app.
- Keep it secure. Don’t share real data.
Inputting BINs into Namso Gen

Start with the BIN field—six digits min.
- For Visa: Use 4xxx.
- Mastercard: 5xxx.
- Amex: 3xxx.
- Customize: Add an expiration date, such as 12/28. CVV random.
- Want bulk? Set to 50.
- For other brands: Discover 6xxx. JCB 35xx.
Tips: Mix BINs for complete tests. Use from different countries.
In 2025, try an eight-digit number for detail.
Common BIN Examples for Popular Banks and Countries
Here’s a table of examples, as of 2025.
| BIN | Bank/Issuer | Country | Card Brand | Type |
|---|---|---|---|---|
| 400115 | Barclays | UK | Visa | Debit |
| 510241 | Royal Bank of Scotland | UK | Mastercard | Credit |
| 377750 | Banco Internacional del Perú | Peru | Amex | Credit |
| 457173 | Jyske Bank | Denmark | Visa | Debit |
| 622752 | Bank of China | China | UnionPay | Credit |
| 601100 | Discover | USA | Discover | Credit |
Use these in Namso Gen.
Lawful Uses of BIN Data
When used right, BIN data helps:
- Route payments to the correct network or path.
- Detect risk (for example, a sudden spike from a prepaid card range).
- Analyze customers (lawful, aggregated insights).
- Show the proper checkout rules (like when to add extra checks).
- For current, accurate issuer info, use an official BIN lookup service rather than random public “lists.”
Risks of public “BIN lists” and “Generators”

- Outdated data: Public lists go stale fast. Issuers change ranges. You can misroute or mislabel cards.
- Legal and reputational risk: Using “generators” or testing merchants is fraud. Merchants can face chargebacks and brand penalties if they don’t stop it.
- Noise in your data: Bad BIN info ruins reports and rules.
- Security gaps: Attackers use cheap tools to fire many failed attempts. This hurts your auth rates and can slow your site.
A quick checklist you can print
- Accept both six and 8-digit BINs everywhere in your code.
- Use an official BIN lookup with fresh data.
- Keep only needed PAN digits; follow truncation rules.
- Require CVV/AVS; use 3-D Secure when risk is high.
- Add rate limits by IP, device, user, BIN, and card fingerprint.
- Mask or randomize error messages during spikes
- Watch for decline surges and many cards per IP
- Maintain a clear incident playbook.
- Train support and ops on card testing red flags.
- Review settings with your acquirer/PSP quarterly.
