Who called from 3143879252

Political Survery. Not subject to 'Do Not Call List'. Auto-dialer called 3X in one day, but did not connect a rep. Dead air. Added to 'blocked' list. No more calls.

Received call from this number at10:57 am. Said 'hello' three times but did not get an answer.

How do you block these calls? Called twice in two hours.

Called twice in under 2 hours.  Supposedly about local political issues when I called the number back.

Called twice today, left no message.  Caller ID said MISSOURI