O2 Ireland Customer Service Number

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O2 Ireland

O2 Ireland

O2 Ireland, now known as Three Ireland Limited is an Irish telecommunication company offering their products and services. The company is based in Quay, Dublin, Ireland. They offer both 3G as well as 4G mobile phone services to their clients. The company has sponsored many associations, such as Football Association of Ireland and 3Arena.

O2 Ireland History

The company started their operations in 1997 by starting offering telecommunication services to their clients. However, the O2 Ireland was acquired by Three Ireland Limited on 2 March 2015 who merges their operations into their own company. Before the acquisition, the company was the second largest communications company having a customer base of 1.6 million customers. It was almost 40% of the total market share.

O2 Ireland Products and Services

There is a great variety of products & services offered by the company.

O2 Ireland customer care number 8331
They have divided them into different categories, such as phones, broadband, and SIMs. In phones category, they offer to prepay phones, phone insurance, and bill pay phones, whereas the SIMs category includes bill pay plans, SIM, 4G plans, and broadband services. The broadband category includes bill pay broadband and prepay broadband. O2 Ireland also provides business solutions that include managed connectivity, managed mobility, and internet services.

Conatct detail of O2 Ireland

  • Address

    28-29 Sir John Rogerson's Quay, Dublin 2, Ireland

  • Contact Number


  • Website


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