Libraries signed up for Biblio+ are listed below.
| LIBRARY | TOWN |
| Alburg Public | Alburg |
| Bent Northrup Memorial | Fairfield |
| Bradford Public | Bradford |
| Cabot Public | Cabot |
| Carpenter Carse | Hinesburg |
| Cavendish Fletcher Community | Proctorsville |
| Charlotte | Charlotte |
| Cornwall Free Public | Cornwall |
| Cutler Memorial | Plainfield |
| Dailey Memorial | Derby |
| Dorset Village Public | Dorset |
| Enosburgh Public | Enosburgh Falls |
| Essex Free | Essex |
| Fletcher Free | Burlington |
| Fletcher Memorial | Ludlow |
| Gilbert Hart | Wallingford |
| Groton Free Public | Groton |
| H. F. Brigham Free | Bakersfield |
| Hartford | Hartford |
| Jaquith Public | Marshfield |
| Johnson Public | Johnson |
| Kellogg Hubbard | Montpelier |
| Lanpher Memorial | Hyde Park |
| Milton Public | Milton |
| Montgomery Town Library | Montgomery Center |
| Moretown Memorial | Moretown |
| Morrill Mem. & Harris | Strafford |
| New Haven Community | New Haven |
| Norwich Public | Norwich |
| Orwell Free Library | Orwell |
| Peacham | Peacham |
| Pierson | Shelburne |
| Poultney Public | Poultney |
| Quechee | Quechee |
| Rutland Free | Rutland |
| Stowe Free | Stowe |
| Townshend Public | Townshend |
| Vernon Free | Vernon |
| Warren Public | Warren |
| Weathersfield Proctor | Ascutney |
| West Hartford | West Hartford |
| Westford Public | Westford |
| Whiting Library | Chester |
| Whitingham Free Public | Jacksonville |