Library Director
Siobhan Koch

Mailing Address
121 Diamond Spring Road
Denville, NJ 07834


  • Circulation: Ext. 200, 201 (Renewals and questions concerning your account)
  • Reference: Ext. 203 (To place holds and ask research questions)
  • Youth Services: Ext. 202 (To place holds and ask research questions about children and teen materials)
  • Administration and Bookkeeping: Ext. 204, 207

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