The Network Is Down
Are you sure? Check status.noisebridge.net first.
status.noisebridge.net runs smokeping which graphs network latency (how long does it take for a packet to make a round trip) over time. Use the power of your human brain for anomaly detection -- see some statistically-significant bumps in the graphs and the network doesn't seem to work right? Might be an indication that something's actually broken and it's "not just you".
Yes I'm Sure
Call the shared google voice number at (650) 248-2445 to try to reach an admin. If that fails, mail firstname.lastname@example.org. If that fails, have a look at the User pages for the admins to contact them individually: