I just got a call from 978-570-2338 and when looking at my historty realized that I got a call from this number as well.  Ridiculous.  Thanks for the info on the do not call lists, I'm going to get on that right now.

I've been getting calls from all of those numbers too.

The company that they're coming through, not from is:
Digicom.

You can call:(310)358-7000 or (800) 464-5446 and explain that "One of their customers from (201) 210-6001, is using a Digicom number to place these unwanted calls."  
They can then block your number from ever being called again!

How polite you are on the phone is up to you...

2/9/2008 @ 2:08 PM got a call from this number. They hung up when the answering machine picked up. I recently got caller ID so I don't know how often in the past they've called.

Also receiving numerous calls soliciting extended auto warranty coverage to our cell phone from the following numbers:

978-570-2338  02/11, 7:41PM
201-210-6001  02/09, 10:59AM
813-484-9815  02/08, 6:24 PM
978-570-2225  02/08, 12:43PM
and so on....

The cell phone they are soliciting has never been given to any company except a GM dealership! They said customer info is never sold.  Funny these calls come after our warranty was up.