Get in touch
Whether you need help choosing a number, have a question about your account, or want to discuss a high-value purchase, the NumberGroup team is here to help.
Send us a message
Pick what you need from the dropdown and the right fields appear — add a number, transfer one in, change call routing, or just send a general message. We reply within minutes during UK business hours; anything urgent out of hours gets a same-night response. Our ticket system auto-acknowledges by email so you know it's landed.
Contact details
Registered office
Datazero Ltdtrading as NumberGroup
International House
36-38 Cornhill
London EC3V 3NG
United Kingdom
Company no. 07390438
Operating hours
We reply to enquiries within minutes during UK business hours. Out of hours, anything urgent gets a same-night response; non-urgent messages are handled first thing the next working day. Either way, our ticket system auto-acknowledges by email so you know it's been received.
Looking for a number?
Search our full catalogue of premium 0800, 03 and local numbers, or get a basic number through Membership.