O2 UK Customer Service Number, Corporate Headquarters, Office Address

O2 UK Customer Service Number, Corporate Headquarters, Office Address | Mobile, Email, Complaints, Contact Number with O2 UK prepaid / postpaid Customer Service phone number and customer service number, we are sharing O2 UK Customer Service numbers / O2 mobile UK toll free phone number or O2 mobile UK Customer Service helpline number on the need of customer service details by our honoured users.

About O2 Mobile UK: O2 Mobile UK is a trademark of Telefónica UK Limited, a telecommunications service corporation with its head office in Slough, Berkshire, United Kingdom. O2 UK is also the nation’s 2nd largest mobile service provider in the country that committed to provide affordable products and services to prepaid and post-paid handset users nationally. The company was basically started in 1985 as Cellnet. Currently, it is the largest provider of mobile services in the nation.

O2 UK Customer Service Number O2 Mobile UK Products and Services: O2 offers the widest range of mobile phones, mobile broadband and sim only deals to the subscribers under the brand name of MyO2, Priority, O2 Refresh, O2 WiFi and much more. The company’s main services are prepaid mobile services, post-paid mobile services, 2G / 3G / 4G mobile internet, broadband and pocket internet, top ups, tariff plans, local and international roaming packs.

O2 UK Customer Service Number Contact Details

As a reputed mobile network service provider, O2 UK provide proper customer support in 24 hours a day, 7 days a week according to the query of subscribers. The O2 UK subscribers can contact by using below contact information of O2 UK for enquiries concerning O2 UK prepaid / postpaid connections, pocket internet, 3G / 2G internet, dongle, top-ups, caller tunes, sms packs, special rates, billing information, balance, etc.

O2 UK Customer Service Number Pay Monthly:

  • 202– Dial at this toll free helpline number from your O2 mobile.
  • 0344 8090202 – (Standard UK Rate) from a O2 landline phone number.
  • +44 3448090202 – dial at this number from outside the United Kingdom.
  • O2 Pay Monthly Opening Hours/times: Monday – Friday 08:00 – 21:00, Saturday 08:00 – 20:00, and Sunday 08:00 – 18:00

O2 UK Customer Service Number Pay and Go:

  • 4445 – Call at this toll free number from your O2 mobile.
  • 0344 8090222 (Standard UK Rate) from a O2 landline.
  • +44 7860 980 202 – (International rates†) from other countries.
  • O2 Pay and Go Opening Hours/times: Monday – Friday 08:00 – 21:00, Saturday 08:00 – 20:00, and Sunday 08:00 – 18:00

O2 Top-Up service Customer Service Number:

  • 4444 – Toll free from your O2 mobile.
  • 0345 6062277 – (Standard UK Rate) from a landline

O2 Business Customer Service Number:

  • 8002 – Call at this toll free phone number of O2 Business from your O2 mobile.
  • 0800 977 7337 – contact at this toll free number of O2 Business from a landline
  • +44 844 809 0200 – from abroad
  • O2 Business Opening Hours/times: Monday – Friday 08:00 – 20:00, Saturday 09:00 – 17:00, and Sunday 09:00 – 17:00

O2 Online Business Customer Service Number:

  • 8002 – Toll free from your O2 mobile.
  • 0800 977 7027 – toll free from a landline.
  • +44 844 809 0200 from abroad
  • O2 Online Business Opening Hours/times: Monday – Friday 08:00 – 20:00, Saturday 09:00 – 17:00, and Sunday 09:00 – 17:00

O2 Mobile Broadband Customer Service Number:

If you are an O2 mobile subscribers, kindly contact to the normal Customer Service number of O2 UK. If you are not O2 Mobile subscribers, kindly choose from one of the numbers listed below:

O2 Pay Monthly Mobile Broadband Helpline Number: 0344 809 0202

O2 Pay & Go Mobile Broadband Helpline Number: 0344 809 0222

O2 Business Mobile Broadband Helpline Number: 0800 977 7337

O2 UK Customer Service Email ID: Click here

O2 UK Corporate Headquarters Office Address:

Telefónica UK Limited, 260 Bath Road,

Slough, Berkshire, SL1 4DX, United Kingdom

O2 UK Corporate Headquarters Office Phone Number: +44 1753 206403

O2 UK Corporate Headquarters Office Fax Number: N/A

O2 UK Corporate Headquarters Office Email ID: Click here

If you are unable to connect with the O2 UK Customer Service representatives, kindly you can contact to the your local Customer Service support by following the above mentioned O2 UK Customer Service office address, telephone numbers, fax numbers, email ids and more. You can also contact to the area head office located in your region or can visit the regional Customer Service office directly, send an email, and write a letter.

O2 UK Customer Service Official Website: www.o2.co.uk

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