SignalWire
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SignalWire (RespOrg code MI) held no US toll free numbers in the October 2026 registry snapshot. Resporgs.com files it under Medium Sized Resporgs, Dormant. Based in Palo Alto, CA.
Transfer network
How toll free numbers move between SignalWire (MI) and other Resp Orgs, reconstructed from Somos registry snapshots. Larger nodes = more transfer volume; SignalWire is highlighted. Open the full interactive map →
Scroll to zoom, drag to pan, drag a node to reposition.
- Phone: (650) 382-0000 via web search: signalwire.com
At a glance
Dormant RespOrg
This phone company is dead or nearly dead, almost zero numbers and little or no activity. Sometimes called a "zombie" RespOrg because they just won't die.
This RespOrg has never appeared in a monthly snapshot with active inventory in our 4-year window.
The trajectory chart below shows the full history. The code may have been transferred, retired, or reassigned to a new operator that hasn't begun activating numbers yet.
Flow patterns (42-month cumulative)
Inbound (numbers acquired)
| Direct transfer from another RespOrg | 0 |
| Harvested from disconnect pool | 0 |
| First assigned from spare pool | 0 |
| Reactivated own disconnects | 0 |
Outbound (numbers lost)
| Direct transfer to another RespOrg | 0 |
| Entered multi-month disconnect (aging) | 0 |
| Released directly to spare pool | 0 |
Summary
Not even an email address listed! But with ZERO numbers I guess nobody really cares.
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