Contact Us The Law Library's mailing address is: Law Library of Montgomery County Court House--PO Box 311 Norristown, PA 19404 We are located on the Lower Plaza of the Montgomery County Court House Swede and Airy Streets Norristown, PA Driving directions Contact: Denise Mines Member Services LibrarianPhone: (610) 278-3806 Fax: (610) 278-5998 Copyright (2007): Law Library of Montgomery County (Pa.)