Who called from 8479083339

Been calling me every 20 minutes, never says a thing but keeps calling

who ever you are.  please don't call my home number.  I am old  and answering the phone is a hassle.

Called me and no talk

Offers grants to you that you never have to pay back. He says he is in Washington D.C. but has a thick foreign accent.

To report the fraud, go here:
http://www.grants.gov/web/grants/support/general-support/grant-fraud.html
Their number is listed , along with an email address, at the top of the page.
Also here:
http://www.consumer.ftc.gov/articles/0113-government-grant-scams