O2 Customer Support

Find here all the details for contacting O2 customer service by phone, email, chat, the official O2 website, social media accounts, etc.

About O2

O2 is a telecommunications services provider, owned by Telefónica.

Customer Service Channels:

O2 Customer Service – Contact Center

O2 customer service call center phone number: 0344-809-0202.

O2 phone service operating hours: Monday-Friday: 8:00am-9:00pm
Saturday: 8:00am-8:00pm
Sunday: 8:00am-6:00pm.

Other phone numbers:

International calls: +44-(0)-3448-09-02-02

O2 Customer Support – Website

O2 customer support, knowledge center and self service at o2.co.uk: Click here.


O2 Customer Support – Email

– No email support.

O2 Customer Support – Chat

– No chat support.

O2 Customer Support – Whatsapp

– No whatsapp support.

O2 Customer Support – facebook

Communicate with O2 on the company’s official facebook page: click here.

O2 Customer Service – Twitter

Visit the official twitter account of O2: Click here.

O2 Customer Support – Address

O2 customer support address (or headquarters address): O2 Correspondence Team, PO BOX 694, Winchester, SO23 5AP, UK.

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