Contact Information

If you want to email a suggestion or comment to the library, use this form.  To ask a librarian a question, this form.  If you'd prefer to write or phone the library, please look over this contact tree to determine which department would best suit you.

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:

  • Meeting Rooms
  • Job Opportunities
  • Board of Trustees
  • Friends of the Cambridge Public Library
  • Programs/Events
  • Complaints
  • Suggestions

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