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Contact Onecom

Onecom is the UK’s largest independent business telecoms provider, delivering an unparalleled service to its customers.

Customer Services

Customer Care:
03300 888999 option 1 Wait Time7 mins response time.

Cancellations
03300 888999 option 3

Email customer services Wait Time72 hrs response time.

Frequently Asked Questions

Sales

New customers
03300 536863 option 2

Existing customers
03300 536863 option 1

Upgrades
03300 888999 option 2

Email our sales team

General Enquiries

General Enquiries
03300 240000
Email general enquiries

Live chat with Onecom

Live Chat

Start a Live ChatWait Time7 secs response time.

Speak to Onecom on WhatsApp

Whats App

07500 044 044Wait Time35 secs response time.

Get Support

System Support

Technical Support
03333 445501

Mitel & Samsung System Support
systemsupport@onecom.co.uk

Fixed Line & Broadband

Technical Support
03333 445501

Fixed Line, Data, WAN & Hosted Telephony Support
fixedlinefaults@onecom.co.uk

IT Support

Technical Support
03333 445501

IT Support
servicedesk@onecom.co.uk

Onecom Locations

Central Office, Fareham

Onecom House
4400 Parkway
Solent Business Park
Fareham
Hampshire
PO15 7FJ

Shoeburyness

Evolution House
New Garrison Road
Shoeburyness
Essex
SS3 9BF

Leeds

Shires House
Shires Road
Guiseley
Leeds
LS20 8EU

Plymouth

19 Phoenix Street
Plymouth
PL1 3DN

Norwich

Ingram House
Meridian Business Park
Meridian Way
Norwich
NR7 0TA

Telford

Unit 6
Hollinswood Court
Stafford Park 1
Telford
TF3 3DE

Cardiff

Unit 1 Denvale Trade Park
Galdames Place
Cardiff
CF24 5AA

Brighton

Third Floor
93-94 Queens Road
Brighton
BN1 3XE

Belfast

Unit 22
Ormeau Business Park
8 Cromac Ave
Belfast
BT7 2JA