Contact Us

Street Address
9675 SE 36th Street Suite 110
Mercer Island, Wa 98040

Telephone/Fax Phone: +1-206-905-5000
Fax: +1-206-905-5001
Toll-free: +1-888-SEMAPHORE

Network Operations Center
Phone: +1-206-905-6000
Email: support@semaphore.com

Email
Sales: sales@semaphore.com
General: info@semaphore.com
Abuse Reports: abuse@semaphore.com
Billing: billing@semaphore.com