the unique number given to an individual account with a bank, supplier, department store, service provider etc
Please state your account number in all correspondence.
Examples of 'account number' in a sentence
account number
She has admitted she did not know whether details including names, addresses and bank account numbers had been encrypted.
The Sun (2015)
It checks bank account numbers before accepting them and will detect many common transcription errors, including incorrectly entered and transposed characters.
Times, Sunday Times (2010)
This will include interest paid, balances, passport details and bank account numbers.
Times, Sunday Times (2016)
In other languages
account number
British English: account number /əˈkaʊnt ˈnʌmbə/ NOUN
Your account number is the unique number of your account with something such as a bank.