Keep me secure
Find out more
Other online services
Specialist sector teams
Help and guidance
Security & fraud
It's important that we have your correct phone number, in case we need to get in touch. Or to check it's you when making online purchases and payments.
Need to change your business address and phone number? Fill out the form on this page.
To make sure we have the right phone number for you simply fill in, print, and send us this form.
You can only change your number by phone if you have a PhoneBank for Business password. If you don’t have one, please complete the form in the By post option.
Call us on 0345 072 5555.
We’re open 7am to 8pm Monday to Friday and 9am to 2pm on Saturdays.