This person(s) is a scam artist using Phishing software to scan Craigslist Ads, FaceBook, Twitter etc. where there is a phone number then they'll text you to see if you'll respond. What they want is your address, name. email address or if your number is a solid brick and mortar number so they can setup fake account for paypal, ebay, amazon or bogus ID Theft credit card info. PEOPLE DO NOT REPLY TO THAT PHONE NUMBER nor ANY NUMBER you don't recognize, if they are legit they'll leave a message - DON'T CALL IT and DON'T TEXT IT - You have been warned