They've been calling every day, several times during the day, for several weeks.  After checking this board I called back.  A polite soft-spoken lady answered (it did sound like some sort of investment brokerage).  I told her my phone number and requested it be removed from their call list.  She asked my name and address to "look up my account" and I told her I did not have an account with them, please just remove the number.  (My husband is a broker of 30+ years and does not 'cold call').  She said she had to "access my account" to do that and I repeated that I did NOT have an account, and according to the greeting "my call was being recorded" so please put the number I'd just given her on their "do not call" list.  So we'll see.

Care to give us the exact location for that "SEC web page" so we could check the number?

Y'see, the Broadridge company is involved with "Broker-Investor Communications" and  does have some toll-free numbers ... but they seem all to be "800" numbers, rather than "855" numbers.

From a SEC web page:

For more information, clients/shareholders can call the Broadridge Live Representative Call Center phone number for questions and voting for Northern and Northern Multi-Manager Funds:
Call 855-601-2247 (8:30 am-9:00 pm CST, Monday through Friday)

This is legit as I do own shares in these funds and did speak with someone a couple of weeks ago.

However, I don't understand why they keep calling and never leave a message.

Several calls a day for three days. I am going to block this number. They do not speak, but hang up right away.

I have been receiving calls from 855-601-2247 for a week now, everyday, few times a day and no message left. Who are they?

This number called, caller ID said "Name Unavailable" and didn't leave voicemail. Blocked the number. Done.

4 or 5 times per day, every day