I have answered and they just hang up.  I also get tons of calls from these numbers:

732-374-3399
732-374-3396
732-374-3869
732-898-3609
732-339-3869
732-339-3488
732-339-3215
732-339-3215

They all are from New Jersey, they hang up when answered and they don't leave a message when I don't answer.

Never leave a message or answer when picked up

calls every other day 3 times a day

calls but don't leave an answer and calling on a sunday evening . who dose that

This company keeps calling me on different phone numbers.  I block and they come again on another number.  Home warranty,