Cell phone companies in Ireland

Ireland had 5.273 million subscribers in total, or a 118.0% penetration rate (December 2010)

The Regulatory Authority for telecommunication in Ireland is ComReg.

Rank	Operator	Technology	Percent of total market December 2010 (December 2009-2010)	Ownership
Mobile Network Operators
1	Vodafone (Formerly Eircell)	GSM, GPRS UMTS, HSDPA HSPA+	40.6% (+0.7%) Including Postfone	Vodafone
2	O2 (Formerly Esat Digifone)	GSM, GPRS UMTS, HSDPA	32.6% (-0.9%) Including Tesco Mobile	Telefónica
3	Meteor	GSM, GPRS, EDGE UMTS, HSDPA (roams on Vodafone's GSM/GPRS networks in parts of the western-seaboard only)	20.2% (-1.0%) Including eMobile	eircom
4	3	UMTS, HSPA+ (roams on Vodafone's GSM/GPRS networks where no UMTS)	6.6% (+1.2%)	Hutchison Whampoa
Mobile Virtual Network Operators
5	Tesco Mobile using O2		-	Tesco Ireland
6	Postfone using Vodafone		-	An Post
7	eMobile using Meteor	GPRS EDGE UMTS HSDPA	-	eircom
8	48 months using O2		-	Telefónica Ireland
9	More Mobile Coming Soon using 3	UMTS HSPA+	?

Source: Wikipedia

• Telephones - mobile cellular by year chart
• Telephones - mobile cellular rank chart
• Telephones - mobile cellular - comparative map