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Nigeria
Test a ten-digit Nigerian account number against the Central Bank of Nigeria's check-digit rule and see which banks it fits.
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A NUBAN (Nigeria Uniform Bank Account Number) is nine serial digits and a check digit. The check digit is computed together with the bank's own code, which is not part of the number. So the only way to test a NUBAN is against each bank in turn, and the honest result is the list of banks it fits.
The bank's three-digit code and the nine serial digits are multiplied by 3, 7 and 3 in a repeating pattern and added up. The check digit is the amount needed to reach the next multiple of ten.
Commercial and non-interest banks are tested, using only bank codes that two independently published lists agree on. Microfinance banks and payment service banks use longer codes and are not tested, so a number from one of them can show no fit at all.
See limitationsCorrect bank details are half of a good transfer. The other half is what it costs: the fee and the exchange-rate margin.
FAQ
The check digit is one digit, so about one random number in ten fits any given bank. A fit means the number is consistent with that bank, not that it belongs there.
If it is from a commercial bank, probably: check each digit. If it is from a microfinance or payment service bank, those are not tested here.
No. Name enquiry happens inside the banking system when you start a transfer, and your bank shows the name before you confirm.
No. The check runs in your browser.
Free, no sign-up. The validator runs in your browser and stores nothing.
