O2 Contact Number Helpline
O2 Contact Number Helpline
Want to Contact Customer Service? Look no further - here is O2 contact Number
Welcome to helplinecontactnumber, direct call conection service. helplinecontactnumber is not associated in any way with any company listed on this website. Calls cost 7p per minute from a BT landline other networks may vary (Calls from mobiles will cost more). Our call costs vary so please be sure to check the price stated next to the phone number provided. If you are unsure of your network costs we strongly advise contacting your network supplier before using our service. Bill payers must be 18 years and over and have the bill payers permission before making the call. Please read and agree to these terms before using our service. Designated trademarks and brands are the property of their respective owners.

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O2 Opening Times


8:00AM - 9:00PM


8:00AM - 8:00PM


8:00AM - 6:00PM

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O2 Customer Service Contact Number

O2 Helpline UK Contact Number
 O2 Top Up 0345 6062277
O2 Customer Service 0344 499 0202
O2 Toll-Free 0800 977 7337
O2 Pay-As-You-Go 0344 8090222
O2 Pay Monthly 0344 8090202

O2 Customer Service Contanct Number


O2 Services Overview

O2 is a telecommunication service provider in the United Kingdom and is a commercial brand of Spanish Multinational Telefónica UK Limited. O2 is one of the largest and well renowned mobile telecommunication providers in the United Kingdom. The company is listed on New York stock exchange. O2 was formed in 1985 and its headquarters are located in Slough, United Kingdom. The company consists of more than 20,000+ employees and approximately 25+ million customers. O2 is leading digital communication company with the highest number of satisfied customers. The company has 2G,3G and 4G network all over U.K., as well as there, are O2 Wi-Fi successfully running over half of U.K.
O2  covers almost every aspect of telecommunication. The company deals in mobile phones, tablets, laptops, computers, Wi-Fi network and allied digital services that include software upgrades, international communication services and much more.

O2 Customer Services

O2 believes that customer satisfaction is above everything, as a consequence, the company is the leading digital communication company with the highest number of satisfied customers, and it has a network of approximately 25+ million customers. O2 has a partnership with Academy Music Group and Live Nation, which offers O2 customers are granted access to priority to all events at O2 Academy venues and Live Nation promoting the events all across the United Kingdom. O2 is simply more than just a venue. O2 is the most popular entertainment venue in the world. Customers feel like a VIP at O2. The O2 is for everyone, everyone can enjoy at O2 regardless of age.

O2 Security
O2 is the only telecommunication service provider in the United Kingdom that U.K. Government has awarded CAS(T) certification for both mobile and WAN services. Company’s security services comply and are approved by U.K. Government digital security requirements that add up to the extra peace of mind. People get easy, reliable and secure access to their digital and virtual data.

O2 Mobile Networks

O2 is the backbone of London buses, connecting 7,000+ buses every 20th second. The company continues to invest heavily in modernizing and strengthening telecommunication throughout the United Kingdom. The company has proven records of leading mobile network brand in the United Kingdom. Apple chose O2 as its mobile network in the United Kingdom, O2 was the first company to launch u900 on the 3G mobile network. The company focuses on building secure, reliable telecommunication networks all over the United Kingdom and worldwide too.

O2 Wi-Fi Services

O2 played a crucial role in shaping public Wi-Fi network services. O2 work with all types and sizes of organizations providing customer free and fast Wi-Fi services with no need for registration. O2 Wi-Fi services are for all customers even if they’re not on O2. Even from organizations’ point of view, O2 Wi-Fi network is amazingly beneficial. It helps the visitors use Wi-Fi without impacting organizations’ network. Moreover, it provides outstanding protection for your organization and also makes it safer and easier for staff to use their devices in the office.

O2 Gateway

O2 gateway is simply best as it requires fewer resources to integrate and manage the organization. O2 security software has completely substituted need of complicated security software as the organizations’ data isn’t transmitted by the internet. To be reassured, O2 is only telecommunication service provider in United Kingdom whose network are CAS(T) certified. Moreover, O2 Gateway is also well recognized for its innovation and durability in telecommunication world.

Health and Safety Management Services

O2’s Health and Safety Management system covers all activities and defines how the organization delivers health and safety commitments and responsibilities for employees, customers and partners. This ensures company’s compliance with various legislations, regulations and industry standards that are relevant for business continuation.
O2 aims to increase health and safety management for employees and customers that ultimately improves business performance and positively contributes to the business growth and development.

O2 News Information

Customers can get the news information of O2 News site i.e. http://news.o2.co.uk/. Here customers can find latest press releases from O2, new services, new products, can download O2 app, can get information relating to current facts, figures, and historical data. Moreover, users, as well as non-users, can also have a look at company’s news information and latest product release.

Contact O2 – Customer Service Contact Number

Want to Contact O2 UK Customer Service? Look no further – here is the O2  contact customer service phone number- DIAL 0871 434 3173.
The customers looking for O2 customer assistance from the O2 team can get in touch with O2 Customer care agents by contacting at 0800 977 7337 (UK) from landline and from abroad +44 844 809 0200 (UK). No call rates will be charged from the customer for contacting O2. Customers can connect and contact 24 hours a day and 7 days week.

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O2 24×7 Helpline

O2 provides 24 hours a day and 7 days week services to its customers that can be used at any time either day or night. Customers can connect and contact O2 by O2 mobile by 8002 (UK), from landline 0800 977 7337 (UK) and from abroad +44 844 809 0200 (UK). No call rates will be charged from a customer for contacting O2.

Organizational helpline

With O2 even the small size organization get benefits of enterprise-scale technology. With the team of experienced enterprise experts (E3) and public sector champs O2 is always ready to serve other organizations with the best services. Moreover, organizations can get answers to the questions that are of utmost importance for them. Call O2 on 0800 955 5590.

Contact O2 – Customer Complaints

If customer or clients have any kind of complaints regarding O2 services they can find the quickest way to get answer and solution by connecting to our team. Our service team members are professionally trained to deal with customer complaints. Customers can simply contact by online web chat, phone calls, and letters.

If customers are not satisfied by talking verbally to the customer care executive then, customers can send the complaint through the letter to Complaint Review Service and Customer Review Service center will carry out an impartial review of the complaint.

O2 Complaints Review Service
Telefónica UK
260 Bath Rd, Slough SL1 4DX, UK

Customers can also write us at [email protected]

Online Dispute Resolution

When customers aren’t happy with any product or service they bought online, customers can submit the complaint at Online Dispute Resolution (ODR) platform.  https://webgate.ec.europa.eu/odr

O2 at Social Networks

The below links can help you in connecting O2 on Facebook, Twitter, Blogs, forums and many other social networking sites. Connecting to people at social networks is a different way of communicating people, we keep uploading and sharing something which makes customers and targeted customers laugh, like, comment, or answer questions, which improve our virtual interactions with targeted customers. We aim at building good public relation through social networks. We’re present on almost every social media channel. We’re available at social platforms from 8 AM to 10 PM, from Monday to Friday.


There are many questions that customers frequently keep asking by emails, phone calls, and letters. O2 has provided the common link for almost all the frequently asked questions for resolving customer queries.
Frequently asked Questions Link

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