This is number used scam for a roommate wanted posting on Craigslist. I flagged it for removal.  Response will be along these lines:
+18575760726 - Room still open.pls sign up here http://jessica.roommatenext.com & lemme know for da next step.Just prove u r not Marketer/Robot. Original craigslist post: http://newyork.craigslist.org/mnh/roo/5163317311.html