Warren County Library Headquarters
199 Hardwick Street
Belvidere, NJ 07823
Telephone: (908) 475-6322
Website: warrenlib.org
Libraries
Catherine Dickson Hofman Branch
4 Lambert Road
Blairstown, NJ 07825
Telephone: (908) 362-8335
Website: hofman-branch
Franklin Branch
1502 Route 57
Washington, NJ 07882
Telephone: (908) 689-7922
Website: librarytechnology.org
Northeast Branch
63 Route 46
Hackettstown, NJ 07840
Telephone: (908) 813-3858
Website: northeast-branch