Hutchison 3G Ireland limited
- Rank in Country: 02
- Operator: Hutchison 3G Ireland limited
- Type: National
- Technology: GSM 900 / GSM 1800 / UMTS 2100
- Ownership: 3
- MCC:272
- MNC: 02
- Status: Operational
- Description: Former Telefónica O2
| Name | O2 |
|---|---|
| Company | Three Ireland (Hutchison) Limited |
| Country |  Ireland |
| Country ISO | IE |
| Country code | + 353 |
| Carrier website | http://www.three.ie/ |
| Carrier codes |
|
| Mobile prefix | 86 |
| Size of NSN | 9 |
| Number format | +353 86x xxx xxx |
| Coverage map | Check O2 Coverage |
| Comment | Merged into 3 (Three Ireland). |
| GSM bands |
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| GSM protocols |
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| UMTS bands |
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| UMTS protocols |
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| LTE bands |
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| LTE protocols |
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