It's as part of the Government's National Broadband Plan.
Over 1,300 properties across Offaly are set to become connected to high-speed fibre broadband.
National Broadband Ireland has been carrying out the works as part of the Government's National Broadband plan.
Homes and businesses in Mountbolus can now connect to the network - it also includes areas near Derrinboy, Kilcormac and Killoughey.
Network builds are still ongoing on over an additional thousand homes in the county.
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