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Are you an existing customer and have a question or a problem? Please open a support ticket at: or call our operations center at 206-905-6000.

Maintenance Announcements

Did you know that Semaphore provides managed services like datacenter outsourcing (co-location), ISP Services, Managed WAN Services, Network Monitoring, etc.?

If you are an existing customer, you may join the Semaphore maintenance notification mailing list. The list includes announcements about network upgrades, outages, known Internet issues and other customer-relevant information.
Click here to subscribe.

Please see our Contact page for more information on 24x7 contact options.