Coverage Checker

Check our network coverage.

To search for your area, simply click Search button below, enter your full address and click “Find address”. Although we try to make these coverage results as accurate as possible, the information is indicative and doesn’t guarantee service availability in a particular location.

Frequently asked questions

Three has 99% 3G/4G coverage throughout Ireland, and we now have 5G in every county.
Three was named as Ireland’s Speedtest Award™ Winner for fastest mobile network speed by Ookla, the global leader in fixed broadband and mobile network testing applications, data and analysis. The result was based on analysis of tests taken on Speedtest® mobile apps in the second half of 2020.

Ookla compared 485,674 user-initiated tests taken on the Speedtest iOS and Android mobile apps from all major mobile telecommunications providers in Ireland during the Q3/Q4 period of 2020 to determine who showed the fastest network speeds.
Three Ireland’s Speed Score™ was marked at 26.16 ahead of Vodafone at 23.74 and eir at 20.76, achieving the best overall data performance in download and upload speeds in addition to the highest peak speeds for both download and upload.
Discover a data plan that suits you today.

Getting started is easy. You’ll need a 5G phone, one of our new 5G bill pay plans (or a 5G booster on prepay) and 5G coverage.

Check the coverage map above to see 5G coverage in your area. If you’re in a coverage area, you should be good to go.

The following steps should help you with any coverage issues:

  • Use the coverage checker to make sure there’s coverage in your area
  • Power your phone off and back on
  • Try your SIM in another phone or another SIM in your phone to rule out any other problems.

Use the messaging function for support direct from our agents.

We’ll be rolling 5G out to more places in Ireland soon. Please check back for updates.

Handset manufacturers and all 5G Operators are eager to ensure that 5G mobile devices will get the best 5G experience. This means work is still underway with Three Ireland to support 5G access for a very limited number of 5G handsets. Visit for the latest list of 5G supported handsets (variants of which are all fully supported) if you are bringing your own 5G handset to Three.

If you want to check on a specific device you have then drop in to Store or chat with our care team online.