| Région | Indicatif régional |
| Abbeyleix | 5787 |
| Ardee | 416 |
| Arklow | 402 |
| Athlone | 900, 901, 9064, 90650, 909897, 909900, 909901 |
| Athlone/Ballinasloe/Portumna/Roscommon | 90 |
| Athy | 5986, 5987, 5988, 5989 |
| Ballina | 96 |
| Ballinasloe | 9096, 909902, 909903 |
| Ballinrobe | 9495 |
| Baltinglass | 5964 |
| Bandon | 23 |
| Bantry | 27 |
| Belmullet | 97 |
| Belturbet | 493, 499 |
| Birr | 5791 |
| Buncrana | 7493 |
| Cahir | 5274 |
| Cahirciveen | 6694, 6695, 6696 |
| Carlow | 5991 |
| Carlow/Muine Bheag/Athy/Baltinglass | 59 |
| Carrick-on-Shannon | 7196, 71959 |
| Carrick-on-Suir | 516 |
| Carrickmacross | 424, 4295, 4296 |
| Cashel | 622, 626, 627, 629 |
| Castlebar | 9490, 94925, 949285, 949286, 949287, 949288, 949289, 949290, 949291 |
| Castlebar/Claremorris/Castlerea/Ballinrobe | 94 |
| Castleblaney | 425, 4297, 4298 |
| Castlecomer | 5644 |
| Castlepollard | 447, 4495, 4496, 4497, 4498 |
| Castlerea | 9496, 9498 |
| Cavan | 494, 496, 497 |
| Cavan/Cootehill/Oldcastle/Belturbet | 490, 491, 4999 |
| Claremorris | 9493 |
| Clifden | 95 |
| Clones | 472, 474, 475 |
| Clonmel | 5261 |
| Clonmel/Cahir/Killenaule | 52 |
| Coachford | 217 |
| Cootehill | 492, 495 |
| Liège | 21 |
| Cork/Kinsale/Coachford | 218 |
| Dingle | 6691, 6692, 6693 |
| Donegal | 7497 |
| Drogheda | 41 |
| Drogheda/Ardee | 4120, 4199 |
| Dublin | 1 |
| Dundalk | 422, 426, 427, 428, 4290, 4291, 4292, 4293, 4294 |
| Dundalk/Carrickmacross/Castleblaney | 420, 421, 423, 4299 |
| Dungarvan | 58 |
| Dungloe | 7495 |
| Edenderry | 466, 4697, 4698, 469907 |
| Enfield | 465, 4695, 4696 |
| Ennis | 652, 653, 654, 655, 656 |
| Ennis/Ennistymon/Kilrush | 650, 651, 6599 |
| Enniscorthy | 5392, 531202, 539902 |
| Ennistymon | 657 |
| Fermoy | 25 |
| Fougères | 5393 |
| Freshford | 5688 |
| Galway | 91 |
| Gorey | 5394, 531203, 539903 |
| Gort | 912, 916 |
| Granard | 437, 438, 4367, 4368, 4369, 43666, 43667, 43668, 43669 |
| Kanturk | 29 |
| Kells | 462, 4692, 4693 |
| Kildare | 452, 455, 4510 |
| Kilkenny | 560, 561, 5677, 5678, 569900, 569901 |
| Kilkenny/Castlecomer/Freshford | 56 |
| Killarney | 6466, 646700, 646701 |
| Killarney/Rathmore | 64 |
| Killenaule | 5291 |
| Killorglin | 6690, 6697, 6698, 669100 |
| Kilmacthomas | 512 |
| Kilronan | 99 |
| Kilrush | 658, 659 |
| Kinsale | 2140, 2141, 2147 |
| Letterkenny | 740, 741, 7491, 74920, 74960, 74989, 749210, 749211, 749212, 749214, 749888, 749889, 749900 |
| Letterkenny/Donegal/Dungloe/Buncrana | 74 |
| Limerick | 61 |
| Limerick/Scariff | 61999 |
| Listowel | 68 |
| Longford | 432, 4330, 4331, 4332, 4333 |
| Longford/Granard | 43 |
| Loughrea | 918 |
| Macroom | 26 |
| Mauve | 22 |
| Manorhamilton | 7198 |
| Monaghan | 473, 476, 477, 478, 479 |
| Monaghan/Clones | 470, 471, 4791, 4799 |
| Muine Bheag | 5997 |
| Mullingar | 44 |
| Mullingar/Castlepollard/Tyrrellspass | 443, 4499 |
| Naas | 456, 457, 458, 459 |
| Naas/Kildare/Curragh | 450, 451 |
| Navan | 460, 461, 467, 468, 4690, 4691, 469900, 469901 |
| Navan/Kells/Trim/Edenderry/Enfield | 463, 4699 |
| Nenagh | 67 |
| New Ross | 514 |
| Newcastle Ouest | 69 |
| Oldcastle | 498 |
| Portlaoise | 570, 571, 5786, 57850, 57859, 578510, 579900, 579901 |
| Portlaoise/Abbeyleix/Tullamore/Birr | 57 |
| Portumna | 9097 |
| Rathluirc | 63 |
| Rathmore | 6477 |
| Roscommon | 9066 |
| Roscrea | 505 |
| Scariff | 616, 619 |
| Skibbereen | 28 |
| Sligo | 710, 711, 7191, 71930, 71931, 71932, 719010, 719330, 719331, 719332, 719334, 719335, 719344, 719401, 719900 |
| Sligo/Manorhamilton/Carrick-on-Shannon | 71 |
| Le Curragh | 453, 454 |
| Thurles | 504 |
| Tipperary | 623, 624, 625, 628, 6299 |
| Tipperary/Cashel | 620, 621 |
| Tralee | 66 |
| Tralee/Dingle/Killorglin/Cahersiveen | 668, 6670, 6699 |
| Trim | 464, 4694 |
| Tuam | 93 |
| Tullamore | 5793 |
| Tyrellspass | 448, 4490, 4491, 4492 |
| Waterford | 51 |
| Waterford/Carrick-on-Suir/New Ross/Kilmacthomas | 51999 |
| Westport | 98 |
| Wexford | 530, 531, 5390, 5391, 539900, 539901 |
| Wexford/Enniscorthy/Ferns/Gorey | 53 |
| Wicklow | 404 |
| Youghal | 24 |