Received multiple calls, but no voicemail left.

Recived multiple calls from this numbers and no voicemail left. Attended the call once and the person on other side did not respond to my query and instead went on asking unncessary questions.looked more like a racial profiling call.

Have received multiple calls from this number. They left no voice mails either.

It's a marketing research company number. If you answer just tell them to remove you from their list.