Three Ireland lists its registered office at 28/29 Sir John Rogerson’s Quay, Dublin 2, Ireland, and publishes a home broadband contact number at 1800 944 787. Its broadband proposition centers on 5G Home Broadband, and its published fixed wireless terms state a 150 Mbps contractual maximum with 100 Mbps normally available download speed, giving the provider a concrete wireless-broadband profile in Ireland.

Quick facts
- Best for: 5G home broadband where fixed-line options are weaker, Homes that want self-install wireless broadband
- Known for: 5G home broadband, nationwide coverage checking and easy self-install options
- Phone: 1800 944 787
Why it ranks
Three Ireland ranks as a practical broadband option because its official pages clearly position 5G Home Broadband as the consumer offer, while its published fixed wireless terms state a 150 Mbps contractual maximum and 100 Mbps normally available speed. Combined with a verified Dublin registered office and public customer contact route, that gives Three a concrete and defensible role in Irish broadband comparisons even though it does not compete with multi-gigabit fibre on raw speed.
Location and links
- Address: 28/29 Sir John Rogerson’s Quay, Dublin 2, Ireland
- Official website
- Call
Service area and category
- City: Dublin
- Country: Ireland
- Service area: Ireland
- Category: Internet Service Provider
Editorial summary
Three Ireland lists its registered office at 28/29 Sir John Rogerson’s Quay, Dublin 2, Ireland, and publishes a home broadband contact number at 1800 944 787. Its broadband proposition centers on 5G Home Broadband, and its published fixed wireless terms state a 150 Mbps contractual maximum with 100 Mbps normally available download speed, giving the provider a concrete wireless-broadband profile in Ireland.