Informational Alert | Coronavirus Updates
NOTICE: Contactless holds pickup is available at the Main Library. Request items and schedule pickup appointments online, by phone at 617-349-4040 or by email at library@cambridgema.gov.

Contact Information

During COVID-19 Closure

While our buildings are temporarily closed, we're still here for you. Reach out online, or give us a call. 

Ask Us Form

Email: library@cambridgema.gov

Call 617-349-4032 before Holds Pickup Service hours:

Monday-Wednesday, 8:30 a.m. - 1:30 p.m.

Thursday-Friday, 8:30-9:30 a.m.

Call 617-349-4040 during Holds Pickup Service hours:

Monday-Wednesday, 1:30-7p.m. and Thursday-Saturday, 9:30 a.m. - 4 p.m.

Departments and Branches

Circulation Desk: 617-349-4040
449 Broadway
Cambridge, MA 02138

Questions & Information about:

  • Library Cards
  • Account Information
  • Renewing Materials

Q&A Desk: 617-349-4041

Questions & Information about:

  • General Library Services
  • Today's Programs/Events
  • Directions
  • Adult Title Checks (books, dvds, cds)
  • Placing Holds
  • Computers/Internet/Wireless
  • Museum Passes

Research Desk: 617-349-4044

Questions & Information about:

  • Research/Reference Questions
  • Cambridge Questions
  • Databases
  • How to Use the Catalog

Administrative Offices: 617-349-4032

Questions & Information about:

  • Job Opportunities
  • Board of Trustees
  • Friends of the Cambridge Public Library
  • Complaints
  • Suggestions

Programs and Events:  617-349-4409

Children Room/Services: 617-349-4038

Teen Room/Services: 617-349-4027

Literacy Center: 617-349-4013

Boudreau Branch: 617-349-4017
245 Concord Ave.
Cambridge, MA 02138

Central Square Branch: 617-349-4010
Central Square Children's Room: 617-349-4012
Rotary Technology Center: 617-349-4444
45 Pearl St.
Cambridge, MA 02139

Collins Branch: 617-349-4021
64 Aberdeen Ave.
Cambridge, MA 02138

O'Connell Branch: 617-349-4019
48 Sixth St.
Cambridge, MA 02141

O'Neill Branch: 617-349-4023
70 Rindge Ave.
Cambridge, MA 02140

Valente Branch: 617-349-4015
826 Cambridge St.
Cambridge, MA 02141