O2 Contact Customer Service Phone Number

Phone Number of O2 Contact is +44 .
O2 or Telefónica UKis the subsidiary of Telefónica Europe to provide telecommunications and financial services. It carries out its operations from headquarters located at Berkshire, UK with the strength of over 10,000 employees. Considered as one of the largest cellular phone service providers in the UK, it had the second largest customer base out of total 82.7 millionphone consumers in the UK as of 2014. It offers its services for residential customers and businesses. Apart from several telcom plans, the company offers Mobile phone handsets, tablet, apps, Internet access and several loyalty programs to its subscribers. The company delivers services over the various mode of networks like GSM, GPRS, EDGE, UMTS, HSDPA, LTE, HSPA+ etc. Its financial services has been branded asmoney, which is operated on NFC payment system.

The formation of O2 dates back to 1985 in the form of Cellnet, a division of British Telecom. It was the first cellular service offered by the company. Cellnet ownership was divided between British Telecommunications and Securicor with 60 percent stakes were owned by former. In 1999, the 40 percent of share of Securicor was purchased by BT, retaining its the full ownership of Cellnet.renamed Cellnet as BT Cellnet and made it the division of BT Wireless. Cellnet was credited to start the GPRS (General Packet Radio Service) in the world on commercial level. It was the year 2001, when BT Wireless was demerged from its parent company,and was renamed as mmO2 plc. mmO2 plc launched its services under “O2” brand before being renamed as O2 plc in 2002.

In 2005, theyears old company, O2 was purchased by Telefónica, a telecom company based in Spain. O2 stepped in the financial services market by introducing O2 Money in 2009. In the same year, the company started its 4G services operated on LTE network. O2 is known for providing free Wi Fi access to the people and tourists in central London. In 2013, the company won the bid of 4G spectrum for 800 Mhz band.

Its sponsorship covers various arenas and venues including The O2 Arena, O2 ABC Glasgow, O2 Academy Birmingham, O2 Academy Oxford etc. On the other hand, O2 has been the sponsor of EnglandTeam since 2003.

O2 Contact Address

The address of O2 Contact is 260 Bath Road, Slough, Berkshire, SL1 4DX, United Kingdom.

O2 Contact Customer Support Service Phone Number

The customer support phone number of O2 Contact is +44 (Click phone number to call).

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The postal and official address, email address and phone number (helpline) of O2 Contact Service Center and O2 Contact customer service phone number is given below. The helpline of O2 Contact customer service phone number may or may not be toll free.

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O2 Contact Customer Service Number Delineated Here With Complaints and Reviews

Customer care female
Ms. Mehran Chowdhury CallsJan 27, 2015

Ms. Mehran Chowdhury On Phone To O2 Contact Service
Hello, I have two O2 number. One is and another is . I need one information about my O2 bill. Why the 02 didn't cut my bill for every month. Its really difficult to pay together two months payment from one month. Please inform me what is the reason. Best regards, Mehran Chowdhury.

Customer care female
Ms. Rosilina Mohamed Saleem CallsJan 22, 2015

Ms. Rosilina Mohamed Saleem On Phone To O2 Contact Service
Hi, In October 2014, I went to an O2 outlet in Duisburg city to pay my last bill and terminate my contract because I was returning to my country on 30/10/14. Unfortunately, your staff there did not terminate the contract as he received my payment. I am receiving bills from you for the services that I did not use since end of October 2014 up to now (Jan 2015). I am sorry, but I will not pay this bills and the following if you might continue issue bill on me for the mistake of your staff. I really hope that you will terminate my contract soon and stop issuing bill on me. My phone number is . Thank you. Regards, Rosilina Saleem.

Customer care male
Mr. Ernawita CallsJan 18, 2015

Mr. Ernawita On Phone To O2 Contact Service
I terminated my contract with O2 on November 2014,, but unfortunately December 2014 and January 2015 some sums of money still booked from my account. I really wish you taking care this matter as soon as possible. I hope your costumer service can contact me to my email I provided as soon as possible.

Customer care male
Mr. Jeong Woong Yang CallsJan 14, 2015

Mr. Jeong Woong Yang On Phone To O2 Contact Service
My Pin is blocked. Please send PUK to unblock my phone. I am in South Korea now. Phone number is 7many bthanks.

Customer care male
Mr. Jeong Woong Yang CallsJan 13, 2015

Mr. Jeong Woong Yang On Phone To O2 Contact Service
Please let me know how to know puk. ThanksJeong Woong Yang.

Customer care male
Mr. Ronak CallsJan 02, 2015

Mr. Ronak On Phone To O2 Contact Service
From day before yesterday, internet light (green) is off. I switched off and on several times, but it is not working. Power, WLAN, DSL and Telephone light is showing as green. I am not an expext on this. Could you please help me on this, as dera customer care is only in German language and I do not know German. O2shops at marienplatz says that they cant help on this. Could you please look into and provide a solution for thisThanks.

O2 Contact Customer Service Care Phone Number 209362
Mr. Prashanthreddy Rikkala CallsDec 23, 2014

Mr. Prashanthreddy Rikkala On Phone To O2 Contact Service
I am Reddy Rikkala. My phone number is . I am no longer in Germany. Please terminate my contract. I have attached the Abmeldung document, Please see the attachment. If this email not concerned to you, please forward it to the relevant section. That would be a great help to me. Or please send me whom i should contact. Email id.

Customer care female
Ms. Dua Khan CallsNov 28, 2014

Ms. Dua Khan On Phone To O2 Contact Service
I am Muslims girl. I am Pakistani.
I am ex husband in living Germany. But I am agent marriages in Germany Davies men. Please help me and one porpoise
Germany device men. I am helpless girl I am very disturbed
Please help me, my number is 03129690642. Anyone men is marry me
I am withing my age is 28. I am very good looking girl. My name is DuaKhan.

Customer care male
Mr. P.ganesan CallsNov 25, 2014

Mr. P.ganesan On Phone To O2 Contact Service
To know details about my parcel from UK. Whether received or not.

Customer care user complaints

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