Who called from 2815203772

Call numerous times, don't answer, they don't leave message, call at all hours, different days of the week, very annolying.

Rang a few times...disconnected before answering machine activated. Anyone else get a call from this number...it was preceeded by the VOICE EXCHANGE call an hour before. Don't know if this is a connection or not. Annoying anyway you look at it!

It is a charity clearinghouse number.  Not sure the name of the company, but they call for donations for some charities.

Caller ID showed this number, no message was left.

Received call early weeknight, just a few minutes after receiving a call from231-224-2032 (Caller ID: Research Center). Coincidence? Did not answer - left no message.