What is O2 Customer Service Number?

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O2 Customer Service Number is:
0344 8090202

Save this O2 number and call for Help

 O2 Opening Hours

Sunday: 8.00-18.00. Monday: 8.00-21.00. Tuesday: 8.00-21.00. Wednesday: 8.00-21.00. Thursday: 8.00-21.00. Friday: 8.00-21.00. Saturday: 8.00-20.00

O2 Overview

O2 is the commercial name of Telefónica UK Limited. Ofcom named it as the company that has the highest rate of customer satisfaction in the digital communications agency field. It offers WiFi, 2G, 3G and 4G network to its more than 23 million users. It currently has over 450 retail stores around the UK and serves pay & go, pay monthly, business and broadband customers. They used to sell travel insurance, but this is no longer offered, although they still serve existing clients. You can expect to get the best assistance when you reach O2 customer service with their high customer satisfaction rating,

Contact O2 Customer Service

The company is dedicated in providing the best O2 customer service experience possible to all of their clients. If you have any questions or concerns with your O2 account or services, don’t hesitate to call their support team. There’s a specific number to call depending on your account type.

Pay Monthly Support

If using an O2 mobile, you may dial the number 202 on your device to reach O2 customer service for free. In case you are calling from a landline, the number to call is 0344 8090202. Note that standard rate applies for this call. For those who are calling outside UK, dial +44 3448090202.

Pay & Go Support

To contact O2 customer service for your pay & go account, dial 4445 from your O2 mobile phone, which costs 25p for every call. If you’re calling from a landline, the number to call is 0344 8090222, while it’s +44 7860 980 202 if calling from another country. Standard and international rate applies respectively. If you wish top up or add credits to your account, dial 4444 from your mobile device or 0345 6062277 from a landline.

Business Support

The O2 customer service number to call for those who are dialing from their O2 mobile is 8002. Those who are calling from a landline may dial 0800 977 7337, while those who are dialing from another country may reach +44 844 809 0200.

Broadband Support

Broadband customers who are also O2 mobile users may dial the same number provided for the pay monthly, pay & go and business customer service. Non-O2 mobile users may call 0800 977 7337 for business mobile broadband, 0344 809 0222 for pay & go mobile broadband, and 0344 809 0202 for pay monthly mobile broadband users.

Other Ways to Contact O2 Customer Service

Aside from calling the appropriate O2 customer service number, there are also other ways on how to get assistance from O2 with any of your questions or issues. You may reach them via live chat by going to this link. Click start a live chat to connect with a representative. You may also send them a letter and send it to the address below:
Telefónica UK Limited
Correspondence Department PO Box 202 Houghton Regis LU6 9AG

O2 Accessibility

O2 wants their service to be available to everyone, including those with disabilities. For those who have questions about O2 accessibility, you may dial O2 customer service number 0344 847 1426 if you’re a pay monthly user or 0345 600 4302 if you have a pay & go account.


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