Who called from 5019182940

Caller ID: "out of area",said nothing,hung up.

Caller ID: "out of area",said nothing,hung up.

same as above...said nothing then disconnected

Called and asked for female living at that residential number.  Said they were calling about a reference?? Told that female was not able to take call.  They hung up.

I answered this call. (and don't usually, if I don't the party calling) I gat dead air. But I told the phone not to call again.