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Ireland's Copper Switch-Off project is underway and the impact is already being seen at premises across the country.
Significant changes are happening to the telephone network in Ireland, which will stop Digital Communicators and other signalling equipment, that relies on a PSTN phone line, from working correctly. Open eir is rolling out new MSAN (Multi-Service Access Nodes) technology in local exchanges. This technology allows for multiple services to be connected to the exchange, whilst also being more reliable, scalable and better for the environment. This work began last year and is being completed quarterly between now and 2023. Numerous exchanges across Ireland have already been migrated to MSAN, meaning they no longer provide a complete end-to-end PSTN service and signalling systems may fail to communicate to the ARC.
Currently, hundreds of exchanges are affected with more to be added in the coming months. Below are all the exchanges Open eir has confirmed as well as their migration date. To see these exchanges via our interactive map, please click here.
For more information or to discuss how CSL can assist you through this project, please click here to contact us.
| Exchange Name | Location | Stop Sell Date |
| Nutgrove | Dublin | 24/11/2020 |
| Terenue | Dublin | 11/01/2021 |
| Rathmines | Dublin | 18/01/2021 |
| Ballyboden | Dublin | 22/01/2021 |
| Ballybay | Monaghan | 22/02/2021 |
| Contibret | Monaghan | 22/02/2021 |
| Smithborough | Monaghan | 23/02/2021 |
| Rockcorry | Monaghan | 23/02/2021 |
| Scotshouse | Monaghan | 24/02/2021 |
| Newbliss | Monaghan | 24/02/2021 |
| Clones | Monaghan | 25/02/2021 |
| Tullynahinera | Monaghan | 25/02/2021 |
| Castleshane | Monaghan | 01/03/2021 |
| Glasslough | Monaghan | 01/03/2021 |
| Monaghan | Monaghan | 03/03/2021 |
| Castleblayney | Monaghan | 02/03/2021 |
| Emyvale | Monaghan | 02/03/2021 |
| Scotstown | Monaghan | 03/03/2021 |
| Redhills | Monaghan | 03/03/2021 |
| Broomfield | Monaghan | 27/04/2021 |
| Stranooden | Monaghan | 27/04/2021 |
| Collinstown | Westmeath | 28/04/2021 |
| Delvin | Westmeath | 28/04/2021 |
| Enfield | Meath | 06/05/2021 |
| Broadford | Kildare | 06/05/2021 |
| Rhode | Offaly | 06/05/2021 |
| Carbury | Kildare | 07/05/2021 |
| Aughnacliffe | Longford | 07/05/2021 |
| Summerhill | Meath | 07/05/2021 |
| Crookedwood | Westmeath | 07/05/2021 |
| Newtown | Longford | 10/05/2021 |
| Edgeworthstown | Longford | 10/05/2021 |
| Castlepollard | Longford | 10/05/2021 |
| Edenderry | Offaly | 11/05/2021 |
| Kinnegad | Westmeath | 12/05/2021 |
| Killucan | Westmeath | 12/05/2021 |
| Ballivor | Meath | 12/05/2021 |
| Rochfordbridge | Westmeath | 13/05/2021 |
| Tyrellspass | Westmeath | 13/05/2021 |
| Castletowngeoghan | Westmeath | 17/05/2021 |
| Multyfarnham | Westmeath | 17/05/2021 |
| Moyvre | Westmeath | 18/05/2021 |
| Ballynacargy | Westmeath | 19/05/2021 |
| Ballymore | Westmeath | 19/05/2021 |
| Colehill | Longford | 19/05/2021 |
| Keenagh | Longford | 20/05/2021 |
| Lanesboro | Longford | 20/05/2021 |
| Rathowen | Westmeath | 24/05/2021 |
| Lismacaffrey | Westmeath | 24/05/2021 |
| Granard | Longford | 25/05/2021 |
| Ballinalee | Longford | 25/05/2021 |
| Drumlish | Longford | 26/05/2021 |
| Loch Gowna | Cavan | 26/05/2021 |
| Navan | Meath | 27/05/2021 |
| Kilcarn | Meath | 27/05/2021 |
| Clondra | Longford | 31/05/2021 |
| Ardagh | Longford | 01/06/2021 |
| Finea | Westmeath | 01/06/2021 |
| Clonbullogue | Offaly | 02/06/2021 |
| Castlejordan | Meath | 02/06/2021 |
| Mullingar | Westmeath | 29/06/2021 |
| Drinagh | Cork | 09/03/2021 |
| Skibbereen | Cork | 10/03/2021 |
| Dunmanway | Cork | 11/03/2021 |
| Kanturk | Cork | 16/03/2021 |
| Ballineen | Cork | 23/03/2021 |
| Kilbrittain | Cork | 24/03/2021 |
| Pedlar's Cross | Cork | 24/03/2021 |
| Timoleague | Cork | 24/03/2021 |
| Lislevane | Cork | 24/03/2021 |
| Rosscarberry | Cork | 25/03/2021 |
| Drimoleague | Cork | 25/03/2021 |
| Boherbue | Cork | 20/04/2021 |
| Millstreet | Cork | 20/04/2021 |
| Bantry | Cork | 20/04/2021 |
| Eyeries | Cork | 21/04/2021 |
| Castletownbere | Cork | 21/04/2021 |
| Bandon | Cork | 22/04/2021 |
| Ballydehob | Cork | 23/04/2021 |
| Churchcross | Cork | 23/04/2021 |
| Baltimore | Cork | 23/04/2021 |
| Allihies | Cork | 26/04/2021 |
| Adrigole | Cork | 26/04/2021 |
| Leap | Cork | 29/04/2021 |
| Schull | Cork | 29/04/2021 |
| Goleen | Cork | 29/04/2021 |
| Newmarket | Cork | 30/04/2021 |
| Clonakilty | Cork | 30/04/2021 |
| Meelin | Cork | 21/05/2021 |
| Clonbanin | Cork | 21/05/2021 |
| Banteer | Cork | 28/05/2021 |
| Berrings Cross | Cork | 28/05/2021 |
| Ardfield | Cork | 15/06/2021 |
| Rossmore | Cork | 15/06/2021 |
| Kealkill | Cork | 24/06/2021 |
| Kilcrohane | Cork | 25/06/2021 |
| Durras | Cork | 25/06/2021 |
| Cullen | Cork | 28/06/2021 |
| Carna | Galway | 04/06/2021 |
| Kilkerrin | Galway | 04/06/2021 |
| Cashel | Galway | 04/06/2021 |
| Ballyconneely | Galway | 09/06/2021 |
| Letterfrack | Galway | 09/06/2021 |
| Tully Cross | Galway | 09/06/2021 |
| Clifden | Galway | 10/06/2021 |
| Ballyhaunis | Mayo | 10/06/2021 |
| Cloonfad | Roscommon | 10/06/2021 |
| Ballaghaderreen | Roscommon | 11/06/2021 |
| Castlerea | Roscommon | 14/06/2021 |
| Fourmilehouse | Roscommon | 15/06/2021 |
| Roscommon Town | Roscommon | 16/06/2021 |
| Donamon | Roscommon | 16/06/2021 |
| Ballygar | Galway | 17/06/2021 |
| Williamstown | Galway | 17/06/2021 |
| Castleplunkett | Roscommon | 17/06/2021 |
| Glenamaddy | Galway | 18/06/2021 |
| Ballymoe | Galway | 18/06/2021 |
| Knockcroghery | Roscommon | 21/06/2021 |
| Athleague | Roscommon | 21/06/2021 |
| Recess | Galway | 21/06/2021 |
| Riverstick | Cork | 22/06/2021 |
| Cleggan | Cork | 22/06/2021 |
| Leenane | Galway | 22/06/2021 |
| Creggs | Roscommon | 23/06/2021 |
| Newbridge | Galway | 23/06/2021 |
| Frenchpark | Roscommon | 28/06/2021 |
| Ballinlough | Roscommon | 28/06/2021 |
| Dromahair | Leitrim | 12/07/2021 |
| Manorhamilton | Leitrim | 12/07/2021 |
| Blacklion | Cavan | 12/07/2021 |
| Dromard | Longford | 13/07/2021 |
| Rosses Point | Sligo | 13/07/2021 |
| Cliffony | Sligo | 14/07/2021 |
| Bundoran | Donegal | 14/07/2021 |
| Ballyshannon | Donegal | 14/07/2021 |
| Pettigo | Donegal | 15/07/2021 |
| Mountcharles | Donegal | 15/07/2021 |
| Killybegs | Donegal | 15/07/2021 |
| Sligo | Rathemond | 20/07/2021 |
| Rathemond | Rathemond | 21/07/2021 |
| Strand Hill | Rathemond | 22/07/2021 |
| Boyle | Rathemond | 22/07/2021 |
| Croghan | Rathemond | 26/07/2021 |
| Carrik on Shannon | Rathemond | 26/07/2021 |
| Swanlinbar | Cavan | 27/07/2021 |
| Bawnboy | Cavan | 27/07/2021 |
| Ballyconnell | Cavan | 27/07/2021 |
| Belturbet | Cavan | 28/07/2021 |
| Newtowngore | Cavan | 28/07/2021 |
| Killeshandra | Cavan | 28/07/2021 |
| Ballyhaise | Cavan | 29/07/2021 |
| Cootehill | Cavan | 29/07/2021 |
| Tullyvin | Cavan | 29/07/2021 |
| Stradone | Cavan | 04/08/2021 |
| Ballinagh | Cavan | 04/08/2021 |
| Arva | Cavan | 05/08/2021 |
| Kilnaleck | Cavan | 05/08/2021 |
| Ballyjamesduff | Cavan | 05/08/2021 |
| Mountnugent | Cavan | 06/08/2021 |
| Oldcastle | Cavan | 06/08/2021 |
| Virgina | Cavan | 06/08/2021 |
| Cavan | Cavan | 09/08/2021 |
| Keel | Castlebar | 10/08/2021 |
| Bunnacurry | Castlebar | 10/08/2021 |
| Achill Sound | Castlebar | 10/08/2021 |
| Mulranny | Castlebar | 11/08/2021 |
| Newport | Castlebar | 11/08/2021 |
| Ballycroy | Castlebar | 11/08/2021 |
| Bangor Erris | Castlebar | 12/08/2021 |
| Geesala | Castlebar | 12/08/2021 |
| Bellmullet | Castlebar | 12/08/2021 |
| Blacksod | Castlebar | 16/08/2021 |
| Barnatra | Castlebar | 16/08/2021 |
| Glenamoy | Castlebar | 17/08/2021 |
| Ballycastle | Castlebar | 17/08/2021 |
| Carrowmorelack | Castlebar | 17/08/2021 |
| Killala | Castlebar | 18/08/2021 |
| Ballina | Castlebar | 19/08/2021 |
| Dooleg | Castlebar | 19/08/2021 |
| Crossmolina | Castlebar | 23/08/2021 |
| Laherdane | Castlebar | 23/08/2021 |
| Bonniconlon | Castlebar | 23/08/2021 |
| Inniscrone | Castlebar | 23/08/2021 |
| Easky | Castlebar | 24/08/2021 |
| Dromore West | Castlebar | 24/08/2021 |
| Knockmore | Castlebar | 25/08/2021 |
| Foxford | Castlebar | 25/08/2021 |
| Swinford | Castlebar | 25/08/2021 |
| Charlestown | Castlebar | 26/08/2021 |
| Knock Airport | Castlebar | 26/08/2021 |
| Kilkelly | Castlebar | 26/08/2021 |
| Kiltmagh | Castlebar | 30/08/2021 |
| Knock | Castlebar | 30/08/2021 |
| Ballidine | Castlebar | 31/08/2021 |
| Bekan Cross | Castlebar | 30/08/2021 |
| Bally Glass | Castlebar | 31/08/2021 |
| Hollymount | Castlebar | 01/09/2021 |
| Bohola | Castlebar | 01/09/2021 |
| Ballyvary | Castlebar | 02/09/2021 |
| Ballla | Castlebar | 02/09/2021 |
| Belcarra | Castlebar | 02/09/2021 |
| Ballinrobe | Castlebar | 06/09/2021 |
| Tourmakeady | Castlebar | 06/09/2021 |
| Partry | Castlebar | 06/09/2021 |
| Ballyhean | Castlebar | 07/09/2021 |
| Ayle | Castlebar | 07/09/2021 |
| Liscarney | Castlebar | 07/09/2021 |
| Westport | Castlebar | 08/09/2021 |
| Murrisk | Castlebar | 08/09/2021 |
| Louisburgh | Castlebar | 202109-09-09 |
| Killadoon | Castlebar | 09/09/2021 |
| Cornamona | Castlebar | 13/09/2021 |
| Cong | Castlebar | 13/09/2021 |
| Castlebar | Castlebar | 15/09/2021 |
| Kilcar | Rathemond | 16/09/2021 |
| Dunkineely | Rathemond | 16/09/2021 |
| Inver | Rathemond | 17/09/2021 |
| Ballintra | Rathemond | 17/09/2021 |
| Kiltycolgher | Rathemond | 17/09/2021 |
| Dowra | Rathemond | 20/09/2021 |
| Drunmkeen | Rathemond | 20/09/2021 |
| Drumkeeran | Rathemond | 20/09/2021 |
| Arigna | Rathemond | 20/09/2021 |
| Ballyfarnan | Rathemond | 21/09/2021 |
| Cootehall | Rathemond | 21/09/2021 |
| Keshcarrigan | Rathemond | 21/09/2021 |
| Lavagh | Rathemond | 22/09/2021 |
| Aclare | Rathemond | 22/09/2021 |
| Gurteen | Rathemond | 22/09/2021 |
| Cloone | Rathemond | 23/09/2021 |
| Kilmore | Leitrim | 23/09/2021 |
| Rooskey | Rathemond | 23/09/2021 |
| Lakepoint Biz Park | Mullingar | 27/09/2021 |
| Drumsa | Rathemond | 27/09/2021 |
| Shinrone | Clonmel | 04/10/2021 |
| Castlegarren | Rathemond | 28/09/2021 |
| Drumshanbo | Rathemond | 28/09/2021 |
| Cloughjordan | Clonmel | 04/10/2021 |
| Moneygall | Clonmel | 04/10/2021 |
| Gortnagowna | Clonmel | 05/10/2021 |
| Roscrea | Clonmel | 05/10/2021 |
| Borris In Ossory | Clonmel | 06/10/2021 |
| Errill | Clonmel | 06/10/2021 |
| Errill | Clonmel | 06/10/2021 |
| Rathdowney | Clonmel | 06/10/2021 |
| Templemore | Clonmel | 07/10/2021 |
| Templetuohy | Clonmel | 07/10/2021 |
| Moyne | Clonmel | 07/10/2021 |
| Templederry | Clonmel | 11/10/2021 |
| Rossoulty | Clonmel | 11/10/2021 |
| Thurles | Clonmel | 12/10/2021 |
| Goolds Cross | Clonmel | 13/10/2021 |
| Boherlahan | Clonmel | 13/10/2021 |
| Littleton | Clonmel | 13/10/2021 |
| Killenaule | Clonmel | 14/10/2021 |
| Killenaule | Clonmel | 14/10/2021 |
| Ballingarry | Clonmel | 14/10/2021 |
| Drangan | Clonmel | 14/10/2021 |
| Mullinahone | Clonmel | 18/10/2021 |
| Fethard | Clonmel | 18/10/2021 |
| New Inn | Clonmel | 18/10/2021 |
| Clerihan | Clonmel | 19/10/2021 |
| Kilsheelin | Clonmel | 19/10/2021 |
| Clonmel | Clonmel | 21/10/2021 |
| Grange | Clonmel | 20/10/2021 |
| Cahir | Clonmel | 21/10/2021 |
| Ballyporeen | Clonmel | 27/10/2021 |
| Clogheen | Clonmel | 27/10/2021 |
| Ardfinnan | Clonmel | 27/10/2021 |
| Newcastle | Clonmel | 28/10/2021 |
| Ballinamult | Clonmel | 28/10/2021 |
| Cappagh | Clonmel | 28/10/2021 |
| Cappoquin | Clonmel | 29/10/2021 |
| Araglin | Clonmel | 29/10/2021 |
| Ballyduff | Clonmel | 29/10/2021 |
| Lismore | Clonmel | 02/11/2021 |
| Tallow | Clonmel | 02/11/2021 |
| Ballynoe | Clonmel | 02/11/2021 |
| Killeagh | Clonmel | 03/11/2021 |
| Ballycondon | Clonmel | 03/11/2021 |
| Aglish | Clonmel | 04/11/2021 |
| Dungarvan | Clonmel | 05/11/2021 |
| Ring | Clonmel | 08/11/2021 |
| Ardmore | Clonmel | 08/11/2021 |
| Kilkenny | Clonmel | 08/11/2021 |
| Killygordon | Letterkenny | 09/11/2021 |
| Ballybofey | Letterkenny | 09/11/2021 |
| Castlefin | Letterkenny | 10/11/2021 |
| Convoy | Letterkenny | 10/11/2021 |
| Drumkeen | Letterkenny | 10/11/2021 |
| Raphoe | Letterkenny | 12/11/2021 |
| Lifford | Letterkenny | 12/11/2021 |
| St Johnston | Letterkenny | 12/11/2021 |
| Carrigans | Letterkenny | 15/11/2021 |
| Newtowncunningham | Letterkenny | 15/11/2021 |
| Manorcunningham | Letterkenny | 15/11/2021 |
| Letterkenny | Letterkenny | 17/11/2021 |
| Bridgend | Letterkenny | 16/11/2021 |
| Muff | Letterkenny | 17/11/2021 |
| Quigleys Point | Letterkenny | 18/11/2021 |
| Moville | Letterkenny | 18/11/2021 |
| Greencastle | Letterkenny | 18/11/2021 |
| Gleneely | Letterkenny | 22/11/2021 |
| Carndonagh | Letterkenny | 22/11/2021 |
| Malin | Letterkenny | 23/11/2021 |
| Ballygorman | Letterkenny | 23/11/2021 |
| Culdaff | Letterkenny | 22/11/2021 |
| Clonmany | Letterkenny | 23/11/2021 |
| Buncrana | Letterkenny | 24/11/2021 |
| Fahan | Letterkenny | 24/11/2021 |
| Churchill | Letterkenny | 25/11/2021 |
| Kilmacrenan | Letterkenny | 25/11/2021 |
| Ramelton | Letterkenny | 25/11/2021 |
| Milford | Letterkenny | 29/11/2021 |
| Rathmullen | Letterkenny | 29/11/2021 |
| Kerrykeel | Letterkenny | 29/11/2021 |
| Tamney | Letterkenny | 30/11/2021 |
| Carrigart | Letterkenny | 30/11/2021 |
| Creeslough | Letterkenny | 30/11/2021 |
| Dunfanaghy | Letterkenny | 01/12/2021 |
| Falcarragh | Letterkenny | 01/12/2021 |
| Benbug | Letterkenny | 01/12/2021 |
| Annagry | Letterkenny | 02/12/2021 |
| Kincasslagh | Letterkenny | 02/12/2021 |
| Burtonport | Letterkenny | 02/12/2021 |
| Arranmore | Letterkenny | 06/12/2021 |
| Dungloe | Letterkenny | 06/12/2021 |
| Narin | Letterkenny | 07/12/2021 |
| Ardara | Letterkenny | 07/12/2021 |
| Glenties | Letterkenny | 07/12/2021 |
| Fintown | Letterkenny | 08/12/2021 |
| Cloghan | Letterkenny | 08/12/2021 |
