Three Ireland

Last updated
Three Ireland (Hutchison) Limited
Three Ireland
Industry Telecommunications
FoundedJuly 26, 2005;15 years ago (2005-07-26)
28/29  Sir John Rogerson's Quay,
Dublin 2,
D02 EY80
Area served
Republic of Ireland
Key people
Robert Finnegan (CEO Republic of Ireland & UK)
Brands 48
Parent Three Group Europe
(CK Hutchison Holdings)
Website OOjs UI icon edit-ltr-progressive.svg

Three Ireland, officially Three Ireland (Hutchison) Limited (formerly Hutchison 3G Ireland Ltd), is a telecommunications and internet service provider operating in Ireland as a subsidiary of CK Hutchison, operating under the global Three brand. The company launched in July 2005 and provides 3G, 4G and 5G mobile phone services. Three's former holding company, Hutchison Whampoa, acquired O2 Ireland in June 2013, and the company was fully merged into the operations of Three Ireland in March 2015.



A 3 Store, Grafton St, Dublin. 3 Store on Grafton Street, Dublin, Ireland.JPG
A 3 Store, Grafton St, Dublin.

Three launched on 26 July 2005 as Ireland's fourth mobile network operator behind Vodafone, O2 and Meteor. Service was initially offered as post-paid only, but on 16 May 2006 the introduction of a pre-paid service, known as 3Pay, was announced. A pre-paid mobile broadband service was launched on 29 February 2008 under the name 3Pay Broadband, with vouchers available for durations of one day, one week, or one month. On 13 May 2010, Three announced the launch of the world's first commercial voice and data I-HSPA network.

In August 2010, Three Ireland admitted it has been overstating its subscriber numbers since 2006. As per its latest released mid year statements about 56 per cent of Three's 554,000 registered subscribers are considered active. This is about 244,000 short of the figure supplied to ComReg. [1]

On 24 June 2013, it was announced that Hutchison would acquire Telefónica's Irish mobile operations, O2 for €780 million, to be merged into Three Ireland upon completion of the deal. [2] [3] [4] The European Commission approved the merger in 2014. The O2 brand was phased out and its operations fully merged into Three on 2 March 2015. [5]


Three has a licence for operation in Ireland using the access code 083, although numbers can be ported over from other networks.

Three's original infrastructure was purely 3G. For a while, they provided 2G coverage (a) under a partnership with Vodafone, and (b) through the acquisition of O2 Ireland's 2G network in 2015, however, roaming on Vodafone is no longer supported, and 2G is natively supported with the acquisition of O2 and it's 3G & 2G networks.

In July 2012, Three Ireland announced a strategic partnership with Vodafone Ireland to share network infrastructure. This would have facilitated rapid rollout of Three's 4G network, while also making it less costly. [6] The agreement was terminated following the O2 merger


In November 2012, Three was awarded LTE spectrum by auction, along with the three other incumbent network operators. [7]

On 27 January 2014, Three launched their 4G network in Dublin, Cork, Galway, Limerick, Wexford and Waterford. [8] In March 2014, Three expanded their 4G coverage to Ashbourne, Bray, Carlow, Dunmore East, Kilkenny, Leixlip, Lusk, Rush, Skerries, Swords and Tullamore.

In March 2016, Three Ireland announced that it is now offering Free 4G for Life to all its customers. Previously, Three offered free 4G to all its customers up to a certain date at which point the company would review and possibly extend that date further.

Three's upgrade programme "the big upgrade" aimed to provide 99% 4G coverage by early 2017, although that never came to fruition, making Three's 4G network both the smallest, and also the slowest in Ireland, according to Ookla, and Rootmetrics in 2018.

4G+/LTE Advanced

Three have announced they will be rolling out 4G+ to their customers offering faster Peak Speeds of 225 Mbit/s. Three say 4G+ is already available in Dublin and will be rolled out to the rest of the country by the end of April 2016. Three are offering 4G+ to all Customers with compatible handsets. [9] Although Three's 4G network has suffered many setbacks, 4G coverage currently sits at 97.3% in March 2020.

Three was named Ireland's fastest mobile network by Ookla for Q3–Q4 2020, with an average download speed of 33.99Mbps. [10]


In September 2020, Three launched their new 5G network. Three has stated that this new service will be available in 121 locations but coverage is expected to expand overtime. "At Three, we believe it's important that this technology is available to all. That’s why we’ve created Ireland’s largest 5G network with coverage in 121 areas throughout the country." [11]

Network Frequencies

The following is a list of known frequencies used by Three Ireland: [12]

1800 MHzGSM-1800
2100 MHz1
800 MHz20 LTE/LTE Advanced 4G/4G+
1800 MHz3
1800 MHzn3 NR 5G
3600 MHzn78
Operating on a temporary licence [13]
700 MHz28 LTE/LTE Advanced 4G/4G+
2100 MHz1


On 5 August 2010, Three Ireland announced a four-year, €7,500,000 deal with the Football Association of Ireland to become the primary sponsor of all Republic of Ireland international football teams. [14] In 2015, Three renewed the sponsorship for a further five years.

Following Hutchison Whampoa's acquisition of O2 Ireland, The O2 was renamed 3Arena in 2014.

See also

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  2. Hugh O'Connell. "Three buys O2 and will now control 40 per cent of Ireland's mobile market". Business ETC.
  3. "Telefónica - Press Office - Press room home - Telefonica agrees the sale of its operating business in Ireland to Hutchison Whampoa for 850 million euros".
  4. "Archived copy" (PDF). Archived from the original (PDF) on 2014-07-14. Retrieved 2013-06-24.CS1 maint: archived copy as title (link)
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  6. "Vodafone Ireland and Three Ireland announce strategic partnership to share network infrastructure". 13 July 2012. Archived from the original on 16 July 2012. Retrieved 27 July 2012.
  7. "15-Nov-12 Three welcomes the results of Ireland's spectrum auction. : Media Centre". 2012-11-15. Archived from the original on 2014-08-04.
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  12. "Global Mobile Frequencies Database". Retrieved 2021-03-24.
  13. "COVID-19: Temporary Spectrum Management Measures | Commission for Communications Regulation". ComReg. Retrieved 2021-03-24.
  14. "3 becomes FAI primary sponsor". 5 August 2010.