I too have been receiving these unwanted calls. and i just don't answer them. they seem to be on a timer of some sort. sometimes it is as late as after 8 pm.
876-505-9373 & 876-898-7625 & 876-452-4148 & 876-284-3242 & 876-396-4038 & 876-425-2592 these are all from Jamaica and have been about a lottery that my husband has won. There is no lottery it is all a big scam to get you to send money and if they do send you a check burn it, it will not be any good!!!! SCAM SCAM SCAM!!!!!!
I've been receiving a lot of calls lately where the caller/s will not leave a message. I received a call just now from this number and the display read AICR. I answered only because I figured they would call persistently at all hours like all the other companies. A man asked for "Mrs. Fox"....NOT MY NAME?!!!! Suspicious? I'm thinking that won't be the last time they call.
This number coalls constantly, on a daily basis, including weekends. If I answer, I say 'hello' and then there is silence and it disconnects. I have called the number back and it is the American Institute for Cancer Research.