Who called from 3604601036

I have no idea what this number is, but I receive it, as well as my husband and my 9 year old daughter (who is with a completely different cell carrier, as well as an unlisted number. Nobody says anything when I do answer. SO ANNOYING.

Block

just received missed call on cell, no message, recently been receiving calls from 858 (no additional numbers) as well

friend took call said Neut Gingrich org looking for money

I was unable to answer; caller left no message.