604-449-7183 is a robo telemarketing call from something called "USA Data Source". They are trying to rope businesses into some sort of marketing / sales services. Put them on your reject / block list.
Got a call today came up as CONFIDENTIAL, 604-449-7183 Vancouver, British Columbia, Canada.
Didn't answer as I do not know anyone in Canada. Didn't leave a message.
Called me in the afternoon. I answered and its a message offering a (business loan and asked to press 1 to talk to someone or 9 to be remove from their calling list).