They called my cell phone I don't know who it is and I don't know anybody in that area code and they left no message

I called them back, to get a recorded message: "If you wish to be placed on our Do Not Call list, please press 1 now."  Sorry, that's bogus.  We're already on the federal Do Not Call registry, so why isn't that outfit (whoever they are) respecting that?

Same here; I did not answer. They called my cell and left no message.

They called me too just now.  I didn't answer, they didn't leave a message.

I received a phone call from this number at 11:35 a.m. (central time). Just like the others..no message was left. I didnt bother calling back because if it was an important call..or any other call worth my time..they would have left a message. And FYI...watch out for the fake/scam text messages asking you to call various 800 #s to give or receive important info regarding bank and cell phone accounts. I've been receiving these text msgs for a few weeks now  (and apparently so have many of my friends and relatives). Dont call the number...simply delete.