I called back number (07) 3193 2277 spoke to a woman who can't talk to me if I don't give a reference number or confirm my name and date of birth and address. A possible debt collector based on the information she was asking.

f*ck off
0404 103 039:

Caller: DUNN AND BRADSTREET DEBT COLLECTORS

DUNN AND BRADSTREET DEBT COLLECTORS

sking to speak to "Jefferson James". Not my name. Electronic voice. Company not identified. Request callback by 8pm and leave ref number. Stated it is "important". Don't state purpose of call. Spam.

Debt collectors

Dunn & Bradstreet

I called back number (07) 3193 2277 reached IVR for dun & bradstreet debt collectors.