Keeps calling however never leaves a message

So I checked with the white pages, because I thought it was the same # calling me but in fact there are four differ #'s calling me.  There's this one then 423-272-9783, 423-921-3687 and 423-272-9071.  Apparently they are all from Rogersville, TN.  If you go to the white pages you'll find out some of their names and addresses.  Hope this helps, somewhat.

they called my cell phone but didn't leave a message. another number very similar to this one called me twice too.

They called me only once so far, but they left a message saying I have won a $1000 gift card or something like that, and said to call back on this number or 877-875-2099.

Same thing...a $1000 gift card