Your details Title Required Forename Required Surname Required Address Required Postcode Lookup If your address was not found, enter your address here. Council tax account number Required Your council tax reference number is 12 digits long. We do not need the letter. If you do not have a council tax account number, please use 000000000000. If you have a council tax account number but do not provide this, this could result in a delay in us responding to your enquiry. E-mail address Required Contact telephone number Required