2 Avelina Manuela Change my celpon number Pls change Celpon number my # is *** 10 BrookAve Hi Avelina Manuela Depending on the context which you have not stated there is a feature under the Account menu top right in Extranet called Notifications. In there under SMS notifications you can update the mobile phone number. If not what you meant, please clarify and or contact BdC support team, see below for contact info. Kind Regards Consider linking your Property link into your partner profile as it helps other partners assist you, especially when starting out . How To Guide : https://partner.booking.com/en-gb/community/tips-tricks-more/how-why-ad… How To Contact Booking.com: If urgent, call the dedicated phone number* found in your extranet ‘Inbox’ tab. Under Booking.com Messages, Click on Contact us to reveal the phone number. For more general info you can contact one of our main lines for help. Got a specific financial question? Call the dedicated phone number* found in the ‘Financial Overview’ section of the ‘Finance’ tab in your extranet. Please note that our finance team is available during business hours, Monday to Friday only.