# I Shared My Phone Number. I Learned I Shouldn't Have.

**URL:** <https://community.humanetech.com/t/i-shared-my-phone-number-i-learned-i-shouldnt-have/4336>\
**Category:** Privacy\
**Created:** [August 20, 2019, 10:39am UTC](https://community.humanetech.com/t/i-shared-my-phone-number-i-learned-i-shouldnt-have/4336 "2019-08-20T10:39:05Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![richard1](https://avatars.discourse-cdn.com/v4/letter/r/50afbb/32.png) [@richard1](https://community.humanetech.com/u/richard1)\
**Post date:** [August 20, 2019, 10:39am UTC](https://community.humanetech.com/t/i-shared-my-phone-number-i-learned-i-shouldnt-have/4336/1 "2019-08-20T10:39:05Z")

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Is it worth the risk sharing your phone number to your grocery store? or at the pharmacy? or when we used apps and websites?

> **[I Shared My Phone Number. I Learned I Shouldn’t Have.](https://www.nytimes.com/2019/08/15/technology/personaltech/i-shared-my-phone-number-i-learned-i-shouldnt-have.html)**
>
> Our personal tech columnist asked security researchers what they could find out about him from just his cellphone number. Quite a lot, it turns out.

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**Author:** ![aschrijver](https://yyz2.discourse-cdn.com/flex036/user_avatar/community.humanetech.com/aschrijver/32/1498_2.png) [@aschrijver](https://community.humanetech.com/u/aschrijver)\
**Post date:** [August 21, 2019, 12:21pm UTC](https://community.humanetech.com/t/i-shared-my-phone-number-i-learned-i-shouldnt-have/4336/2 "2019-08-21T12:21:39Z")

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See also the Hacker News comments thread on this article: [Columnist asked researchers what they could find out from just his cell number](https://news.ycombinator.com/item?id=20704002).