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WalterGR on Feb 12, 2022 | parent | context | favorite | on: Still-active phreak numbers, all safe and free

Related and really cool:

I made 50k calls to explore the telephone network (shufflingbytes.com)

333 points | ValtteriL | 7 months ago | 180 comments

https://news.ycombinator.com/item?id=27602383

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