FAQs by Groups :      General Questions | Domain Names | Hosting | Resellers | Bottle Direct | Affiliates | << Back - FAQ Home >> Frequently Asked Questions : 71 What is a customer reference number and where do I find it? Look on the bill for the BPAY details. Your customer reference number will be directly below the Biller Code. If you don’t have the bill with you, you will need to contact our support line 1300 88 74 74 and we will assist you to find the details.