After posting the above info, found out that this is DEFINITELY a scammer's phone number.  Look up (301) 741-4870 here and you'll see page after page of emails trying to pull the same scam on Craig's List sellers.

Same here.  I was stupid enough to send him personal info.

From: martin4gibson@aol.com [mailto:martin4gibson@aol.com]
Subject: Marine Chrysler $1800

Hello, do you still have this? When can I come check it out?Shoot me an email back as soon as possible please or you can leave me a message here on my phone number (301) 741-4871,I'm speech disabled though, remember to leave your name and email address when you call.PS: - You can just reply this email, I'm always with my computer

Just got the same email...word for word

I got the same speech disabled pitch.... unbelievable, it sounded suspicious from the beginning ha. hope he gets caught.

thats why u got to be smart enough to force them to call you