Almost 250 more than in 2020.
A record of nearly 1,400 mobile phones were seized in Irish prisons last year, twice as many as five years earlier.
It's illegal for an inmate to have a mobile phone in prison, without the permission of the governor.
But 1,387 were seized in jails last year - 249 more than in 2020.
It's over twice as many as the 648 in 2016.
Last year, 557 were seized in Wheatfield Prison in Dublin alone.
Drug seizures also soared in Irish jails last year, rising from 1,148 in 2020 to 1,588 in 2021.
The Irish Prison Service says the suspension of visits for long periods, as a result of Covid-19, led to a shift in the methods used for trafficking contraband into prisons.
It says there's been an increase in 'throw-overs' - involving people outside throwing mobile phones and drugs into exercise yards.

Further Increase Expected In Number Of Landlords Leaving Property Market, As Price Of Three-Bed Semi Rises In Kildare
Over 1,700 Garda Checkpoints In Operation Over Christmas Period, With Naas RPU Detecting Multiple Speeding Motorists
€1.2m Approved For Zipline And High Ropes Adventure Centre At Donadea
Christmas Appeal To Adopt Dogs As Euthanasia Figures Rise
Speed Enforcement To Increase In Kildare With 21 New Camera Zones To Be Rolled Out In January
Over 400 Motorists Caught Speeding So Far Today, Including A Driver In Kilcock
Transport Minister In Discussions With Irish Rail About Extending Late-Night Trains Beyond Christmas
Tadhg And Mary Should Be Looking Forward To Christmas, Say Gardai As Fresh Appeal Launched