Contact Us


Membership: 202-558-0059,

Conference Inquiries: 202-470-2778,

Certification: 202-524-8464,

Sponsorship: 202-470-2783,

Media Inquiries: 202-822-9491,

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CoSN (Consortium for School Networking)
Lockbox 75110
Baltimore, MD 21275-5110   
Office Location:   CoSN (Consortium for School Networking) 1025 Vermont Ave NW, Suite 1010 Washington, DC 20005


Need directions? Click here for directions using Google Maps

CoSN w-9

**We're Moving! As of August 1, 2017, CoSN will be located at 1325 G St, NW, Suite 420, Washington, DC 20005**