They call incessantly and do not leave a message

They've been calling a lot lately, usually don't leave a msg but today was different. A man's voice came up on my answering machine asking for me by name. "Jessica? Are you there? ..... Hello?" before hanging up. The caller ID itself just lists the number and says "Unavailable." Would love to know who this is and why they keep trying to reach me. Kind of freaky that they actually asked for me by name this time...

Can you stop this number from calling all hours of the day and night?

Why do you say free to find the name of the caller and then say it will cost you to find out?

   I called 607-483-6738 and was answered by the Republican National Committee.