Contact Us

For more information on our full list of services then please do not hesitate to contact us using the details provided below:

Address:

Corporate Telecom Ltd
Castlereagh Business Park,
1B Montgomery House,
478 Castlereagh Road,
Belfast, BT5 6BQ

028 90794800
sales@corporatetelecom.biz

Important Network Numbers:

Mobile

 
General Enquiries:
0800 678 1030 or +44 1635 691 702 if abroad

BT Lost or stolen – Out of Hours
0800 032 8751 – Starts of as an automated service, state that lost/stolen mobile to get speaking to an operator

 

100 from your handset or 0800 977 7337

Business Customer Service Dial Charges
From your O2 mobile 8002 Free
From a landline 0800 977 7337 Free
From another country +44 844 8090 200 Free from an O2 mobile
Opening hours Monday – Friday 08:00 – 20:00
Saturday 09:00 – 17:00
Sunday 09:00 – 17:00

Limited service outside of these hours is available if you have lost or had your mobile phone stolen, or if you have a fault on your O2 landline.
Live Chat with O2 operator : http://www.o2.co.uk/business/contact-us

 
191 from your handset or 08700 700 191 or +44 7836 191 191 if abroad.


Small Business customers–
150 from your handset or 07953966250

Weekdays 8am-9pm
Weekends: 8am-8pm
Corporate Business customers– 158 from your handset or 07973100158

 
Daisy customer services:0333 320 2090
indirectcustomers@daisygroup.com

   

 (02) Plan Customer Services– 03300 881818 open 9am-6pm.
If your handset is lost or stolen email – lostandstolen@plan.com

Cloud Voice


Cloud Voice

Telephone0800 389 0537 option 1 

Then choose from the following:-

Option 1 Existing open orders

Option 2 for Support or to raise a new order

Option 3 for Technical Helpdesk

Option 4 for Billing

BT Belfast Faults:
0800 800212
Option 2: Billing Issue
Option 3:  Broadband Faults
Option 4: Service Team

Contact Corporate Telecom