O2 Top Up Online


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O2 is a telecommunications service Provider Company owned by Telefónica based in the United Kingdom. Currently, they are the largest mobile operator in the UK (With 34.5 million customers and growing) and trailing with EE, Vodafone and Three. They have their O2 top up online service like us, but we are more flexible than them because they are restricted to local only. They provide network coverage across England, Northern Ireland, Scotland and Wales.

Customer satisfaction is the utmost priority, and this leads them to be crowned uSwitch’s Best Network for Coverage in 2020, for the third time in a row! And of course, their O2 top up online, sim only data, mobile contracts and so on services is in the list too.

4G and 5G network coverage:

Through their 4G network, they now serve 99% of the country’s population but are committed to expanding much further. They’ve added additional 4G network coverage to over 200,000 postcodes in 2019 alone.

This year, they’re making our 5G network top-notch and robust using 5G. O2 5G is currently live in areas of 60 towns and cities. With such coverage, O2 top up online service has never been this better.

What are the benefits of 5G you ask?

There are three stages of how 5G network enhances your browsing experience: “enhanced mobile broadband (eMBB), massive machine-type communications (mMTC) and ultra-reliable low latency communications (URLLC)”.

May seem technical to some of us, but let’s dive into the terms!

  • eMBB enables you to surf at speeds exceeding 1GBps – that’s almost quadrupled the rate of 4G!
  • mMTC will make buffering a thing in history books; so bid your farewell to those annoying loading screens while streaming videos and goodbye to lagging while gaming!
  • URLLC eases how your mobile processes data and reduces loading times too.

How can I get o2 top up online?

You will be able to add Bolt Ons data, see your latest costs, review your rewards, shop for new device upgrades and accessories in o2’s online store. And also access exclusive O2 customer deals, including free WIFI or can use O2 top up online service from here.

Get registered today so you can use our service every time whenever you out of credit. We have all the top up amount starting from £10, £15, £20, £25, £30, £35 & £50 so select your amount above this page and order online.

You can order o2 top up online by PayPal, Cards (Credit/Debit cards processing by PayPal) or Bank Transfer( Transfer the amount to our bank account, and once we received the amount we will send you the voucher code)

Follow these procedures:

  • After receiving the top up voucher code from us, you visit o2 online to load it.
  • Or dial 4444 free from your o2 sim card phone.
  • Make sure you provide us with the correct number of the o2 sim if you want us to do the direct top-up.
  • SMS FREE10 to 21500 to claim Free £10 credit, learn about it from the official company website.

Here are some of O2’s bundles:

Below are the bundles provided by o2 network company, but they change there bundles frequently so please do not depend on the below information before making a decision. Please do check their official website for current updated details.

You can even change your tariffs after you complete the process of buying o2 top up voucher code you need to download o2 app, and there is an options to switch tariffs, or you can even contact the customer service department for it.

Big Bundles:

Unlimited Minutes
Unlimited Texts

*To get this offer you need to top up a minimum of £10

Mobile data – 6GB
Unlimited Talk
Unlimited SMS
Valid for 30 days

Mobile data – 15GB
Unlimited Minutes
Unlimited Texts
Valid for 30 days

Mobile data – 100GB
Unlimited Minutes
Unlimited Texts
Valid for 30 days

Without Bundle Charges

If you do not convert your top up amount to bundle and you want to use it as Pay as you go then below are the usual charges. Please do check and match with official website for current date details.

  • Tariffs & Bolt-Ons – 2202 Free
  • UK landlines – 35p/m
  • UK Mobiles – 35p/m
  • Each SMS – 15p
  • Each Picture MMS – 45p
  • Data £3/mb
  • Customer Service Number – “4445” (Free From an O2 sim card)
  • Customer Service Landline Number – 0344 809 0222) (Calling from the inside UK)

O2 Travel

If you travel within our Europe Zone, your minutes, data and texts will work in the same way as they do at home. If you’re going outside Europe as o2 provide the service in 29 European Countries, O2 Travel is the perfect way to stay connected when you’re on vacation. It lets you use the internet while away, without worrying about excessive spending.

O2 Travel is available in 48 international destinations, and they are increasing their country network month to month so make sure get updated with official company details. The good part is that whenever you are out of credit, you can come back here and get the o2 top up online service from us anytime. We recommend you to bookmark our page, so you do not have to keep searching for it.

O2 Insure

With insurance from O2 Insure, stay tension free in cases of accidental loss, theft and damage to your phone. You can register anytime within 28 days of buying an O2 mobile, including upgrades, until and unless you’re over 18.

Payment Options & Delivery

  • PayPal
  • Credit/Debit card by Paypal
  • Bank Transfer

The code will be delivered to your registered email address so make sure we get the correct email address because sometimes we send the code to email and it bounces back.

And we can tell you that you found out the best o2 top up online service on the net because we are providing these services for many years, so we have excellent knowledge about it. You can place the order without any hesitation, or if you want to know more details about our services, please contact us.

Additional information


£10 O2 Top Up Voucher Code, £15 O2 Top Up Voucher Code, £20 O2 Top Up Voucher Code, £25 O2 Top Up Voucher Code, £30 O2 Top Up Voucher Code, £35 O2 Top Up Voucher Code, £50 O2 Top Up Voucher Code


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