How do companies know their cell phone numbers?

Shopping

I got a call from an international phone today. I blocked it because HOSCOAL told me, but I was curious how you found out my phone number, so I blocked everything. But besides this, I got some spam recently.

It hasn't been long since I changed my cell phone number, so I don't think I can know anything other than my family, friends, or acquaintances

Oh... Besides that, there's a phone number that I changed at the bank and entered while signing up at the bank.

Where did the phone number get stolen?


  56 4   7 years ago

pu1. Isn't it just a random call from the company? That's what they said


2017-11-10

pu2. I think the internet subscription company sprayed it... That's the only one I've talked about


2017-11-10

pu3. There's another person who's similar to me.
In the case of Naboo, there was a phone number that no one knew at all, but there was no spam call or text message.
There was a time when I wrote this for public use outside, and before that, I felt like spam increased after signing up for the Internet at a different number, but I tried it once while signing up for the Internet to test it.
The Internet subscription is the same as before, and among the companies that come out of the telecommunications company bulletin board on the Bbomboo site, the company that pays back a lot.
As soon as I signed up, I started receiving international calls, spam calls, and spam messages within a few days.
Is this a coincidence? LOL


2017-11-10

pu4. I see! Thank you for letting me know


2017-11-10


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