Mailing Address


All correspondence should be addressed to:

PTC/USER, Inc.
51 Harborview Road
Hull, Massachusetts 02045
USA

Phone and Fax Numbers

Phone:
     (877) 878-USER or (877) 878-8737 (toll-free in USA)
     (781) 780-5647 (toll and international calls)
Fax: (781) 780-5648

E-Mail Addresses

You can contact various PTC/USER departments via e-mail:
General information: info@ptcuser.org
Address Changes: membership@ptcuser.org
Help with Forums or Portal: support@ptcuser.org