Cameroon IBAN validator
How the IBAN format works
- Format
- CM + 2 check digits + 25 digits (27 chars) — used in practice, not in the official SWIFT IBAN registry
- Example
- CM4800000000000000000100006
Things to watch for
- Cameroon is not in the official SWIFT IBAN registry — this 27-character format is used in practice by Cameroonian banks, not formally standardized by SWIFT/ECBS
- Cameroon shares its central bank, BEAC, and the Central African CFA franc (XAF) with 5 other Central African countries — none of which are in the official SWIFT registry either
- Checks format and checksum only — does not confirm the account exists or is held at a real Cameroonian bank
^CM[0-9]{25}$A Cameroonian IBAN-style account number is 27 characters: “CM”, two check digits, then 25 digits with no letters anywhere — for example CM4800000000000000000100006. Cameroon is not in the official SWIFT/ECBS IBAN registry, but it shares its central bank — BEAC, the Banque des États de l’Afrique Centrale — and the Central African CFA franc (XAF) with five neighbors: Central African Republic, Chad, Congo-Brazzaville, Equatorial Guinea, and Gabon.
Unlike the West African BCEAO bloc, where several members mark the start of the account block with a 2-letter or 2-character code, all six BEAC-zone countries — Cameroon included — use a fully numeric string after the check digits, with no letters anywhere in the format.
How this validator works
This tool checks the “CM” prefix, confirms exactly 25 digits follow the two check digits, and runs the mod-97 checksum (ISO 7064) a correctly formed Cameroonian account number satisfies. Everything runs client-side, with nothing sent to a server.
What a pass doesn’t tell you
A pass confirms the 27 characters are internally consistent — not that the account is open or that Cameroon has formal SWIFT IBAN registration. This tool performs no lookup against BEAC or any Cameroonian bank.
Scope: format and mod-97 checksum validation only, for a locally used but non-SWIFT-registered format — not payment processing or account confirmation.
Content last reviewed 2026-08-10.
IBAN FAQ
Is Cameroon an official SWIFT IBAN registry country?
No. Cameroon is not in the official SWIFT/ECBS IBAN registry. It's one of six Central African countries under the BEAC central bank whose banks use a 27-character, all-numeric IBAN-shaped account number that satisfies the mod-97 checksum without SWIFT cataloguing it.
What does a Cameroonian IBAN-style number look like?
27 characters: 'CM', two check digits, then 25 digits with no letters — for example CM4800000000000000000100006.
Does a passing checksum confirm the account is real?
No. It confirms the 27 characters are mathematically consistent under mod-97, entirely client-side. Confirming the account itself requires the account-holder's bank or BEAC.