The telephone number 020 7436 9328 appears as one of the contact details in a scam invoice email that has been appearing in inboxes and junk mail folders around the world.
If you receive an email from the email accounts@courierpoint.com suggesting that you have an unpaid invoice then you can be confident that this is a scam. Block the email.
The most recent incarnation of this scam invoice email suggested that there was an unpaid invoice for £158.43. The customer invoice number featured was #3829 due on the 30th April and the email was supposedly from a Finance Manager called Sarah Gill. They provide the phone number 020 7436 9328 as a correspondence point. Do not phone this number, anyone who does will be at severe risk of fraud.