The phone number of the Northeastern Branch is: 908-813-3858.
The phone number of the Hackettstown Historical Society is: 908-852-8797.
The phone number of the Hackettstown Free Public Library is: 201-852-4936.
The phone number of the Branch Brook Branch is: 973-733-7760.
The phone number of the Elberon Branch is: 732-870-1776.
The phone number of the Woodlawn Heights Branch is: 718-519-9627.
The phone number of the Capitol Branch is: 414-286-3006.
The phone number of the Norco Branch Library is: 951-735-5329.
The phone number of the Semmes Branch is: 251-645-6840.
The phone number of the Wilder Branch is: 802-295-1232.
The phone number of the Elcho Branch is: 715-275-3225.
The phone number of the Denmark Branch is: 920-863-6613.
The phone number of the Pulaski Branch is: 920-822-3220.