CallerID: "FFC" or "Ralph Reed"
Hung up after 3 rings

FFC == Faith & Freedom Coalition.

This is a Ralph Reed group created after his Christian Coalition "charity" was shot down for breaking campaign finance laws.
I've had calls from the following numbers with FFC/Ralph Reed/FaithAndFreedom callerId:

281-853-9104
321-236-0588
321-236-9280
330-485-3028
330-485-3191
517-258-1715
518-414-5527
717-219-3241
916-800-5364
717-219-3433

Using multiple sources gets around my Digitone Call Blocker, but I'll keep blocking them until either I run out of blocked slots or they run out of phone numbers.