Re:Eliminating Robocalls
by aboutruby on Monday March 18, 2019 @10:03PM
(#19427433)
Last time I went to the US, I got a phone number from MetroPCS (e.g. T-Mobile reseller). I didn't give it to anybody and started receiving 3-4 spam calls a day. They are obviously reselling the phone numbers directly, which is illegal in most countries.
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The prior holder of that number was already a target. Numbers are reused quickly in area codes facing any possible future shortage.
Or just wardialing all numbers and marking valid ones. VOIP calls are dirt cheap. A fair number of the spam calls I get have no idea what my name is.
You probably were assigned a phone number that had been used by someone else prior, so the number was already on all the lists.
Every time I get a new number, I end up spending a few weeks getting calls from real people to the person who had the number before it was assigned to me.