Out of Hours Support

Welcome to the Out Of Hours Support Page.

Frontier Group office will be closed Thursday 2nd and Friday 3rd June for the Jubilee Bank Holiday.

Normal service will resume Monday, 6th June 9am – 5.30pm

Please be aware that only emergency queries can be dealt with during this time, Any new kit orders or connections will be processed after the bank holiday.

If you require assistance outside of business hours please refer to the below list.  The support page is split into network and service.

Please be advised service from the networks is limited outside of business hours.


If you have a problem with your Frontier mobile connection, please follow the instructions according to your network.  Please have your Business Account Number ready.

NetworkServiceContact NumberActions Available
VodafoneMobile Only03333040191Lost & Stolen Bars Only
EEMobile Only0800 956 6000SIM Swaps Lost & Stolen Bars
O2Mobile Only0344 809 0202Lost & Stolen Bars Only

O2 customers can now make use of their own self service portal called the Connected Hub, where limited actions such as bars and SIM swaps are available to perform without assistance from the Frontier team.  You must be registered for the portal, so please contact your Account Manager if you would like an introduction to this service.

For your Connected Hub self service portal, please click below;

connected hub


Horizon Telephone Systems

If you would like to make changes to your Horizon Telephone System, you can perform Diverts by logging on to your customer portal here.

Vodafone Fixed Line, Broadband and One Net Telephone Systems

VodafoneOne Net Telephone System03333040191Lost & Stolen Bars
VodafoneFixed Line and Broadband03333040191Outage support – issues logged only

You can also perform updates and set diverts to your Vodafone One Net Telephone System on the Feature Management Portal, you can find a step by step guide on how to do this here.

If you have a non-urgent request, please email your Account Manager directly, contact the Customer Service team on customerservice@thefrontiergroup.co.uk, or fill in the form below and a team member will respond during office hours.

Got a question?

We're here to help. Check out our case studies, send us an email, or call us on 0800 124 4348.