Contact Us

Membership and Dues inquiries: 202-470-2784 or text 202-849-9056
Certification: 202-524-8464
Conference or Clinic Inquiries: 202-470-2780
Sponsorship: 202-519-2519
Media Inquiries: 202-470-2785

1325 G St, NW, Suite 420 
Washington, DC 20005

Send purchase orders and payments to:  
CoSN (Consortium for School Networking)
Lockbox 75110
Baltimore, MD 21275-5110 
Purchase orders may also be sent via email.