Who called from 2039221992

Received a phone call from 203-922-1992, no message, Caller ID says T.C. When I call back I get only a busy signal (like the one you get when the caller can only call out and no one can call in).  Does anyone know who this caller is? It is in CT. Thanks

Got a phone call from this # at 2/21/11 - 10:06 am. Called back, busy signal  Do you know what company this is?

Shelton, Connecticut Police Union asking for money