| Business | Phone |
| Hollowbrook Branch Library 320 Hollowbrook Rd, Trenton 8638 | (609) 883-5914 |
| Judiciary Library 25 Market St, Trenton 8611 | (609) 292-6356 |
| Library For The Blind 2300 Stuyvesant Ave, Trenton 8618 | (609) 530-4000 |
| Mercer County Library 61 Scotch Rd, Trenton 8628 | (609) 882-3130 |
| New Jersey State Library 185 W State St, Trenton 8608 | (609) 292-6200 |
| Roebling Bldg Library 20 W State St, Trenton 8608 | (609) 984-1666 |
| State Law Library 185 W State St, Trenton 8608 | (609) 292-6230 |
| Trenton Public Library 120 Academy St, Trenton 8608 | (609) 392-7188 |
| Trenton Public Library 200 N Hermitage Ave, Trenton 8618 | (609) 392-7886 |
| Trenton Public Library 943 S Broad St, Trenton 8611 | (609) 392-7876 |