| Library | Address | Tel | |
| Abbeyleix | Abbeyleix Co. Laois |
0502 30020 | library@laoiscoco.ie |
| Ballylinan | Ballylinan Co. Laois |
library@laoiscoco.ie | |
| Borris-In-Ossory | Borris-In-Ossory Co. Laois |
0505/41443 | library@laoiscoco.ie |
| Clonaslee | Clonaslee Co. Laois |
0502 48437 | library@laoiscoco.ie |
| Durrow | Durrow Co. Laois |
0502 36522 | library@laoiscoco.ie |
| HQ | Áras an Chontae Fintan Lalor Avenue Portlaoise Co. Laois |
0502 72340 |
|
| Mountmellick | Mountmellick Co. Laois |
0502 24733 | library@laoiscoco.ie |
| Mountrath | Mountrath Co. Laois |
0502 56045 | library@laoiscoco.ie |
| Newtown | Newtown Co. Laois |
library@laoiscoco.ie | |
| Portarlington | Portarlington Co. Laois |
0502 43751 | library@laoiscoco.ie |
| Portlaoise | Dunamaise House Lyster Sq. Portlaoise Co. Laois |
0502 22333 | library@laoiscoco.ie |
| Rathdowney | Rathdowney Co. Laois |
0505 46852 | library@laoiscoco.ie |
| Stradbally | Stradbally Co. Laois |
0502 25005 | library@laoiscoco.ie |
| Timahoe | Timahoe Co. Laois |
0502 27231 | library@laoiscoco.ie |