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Path: ...!eternal-september.org!feeder2.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Cryptoengineer <petertrei@gmail.com> Newsgroups: rec.arts.sf.written Subject: Re: ongoing infrastructure changes with AI in the USA Date: Tue, 19 Nov 2024 21:40:48 -0500 Organization: A noiseless patient Spider Lines: 39 Message-ID: <vhji7h$24o52$1@dont-email.me> References: <vh8avh$3ir9b$2@dont-email.me> <vhg9i4$1ae4c$2@epsilon3.eternal-september.org> <3tepjj96srch7vbilqi9f2d6uo6tvdgd2u@4ax.com> <vhih8r$1uic7$1@dont-email.me> <vhima8$t51$1@usenet.csail.mit.edu> <vhj5cb$22b4j$1@epsilon3.eternal-september.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Wed, 20 Nov 2024 03:40:49 +0100 (CET) Injection-Info: dont-email.me; posting-host="d35141e06b1c2e7abd196f784d405d23"; logging-data="2252962"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19rdG+TTvh1C76OpeDWBkL3cFyQu83dOI8=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:iAUchxEwpQpCzNga1dNXFCTNA6I= In-Reply-To: <vhj5cb$22b4j$1@epsilon3.eternal-september.org> Content-Language: en-US Bytes: 2963 On 11/19/2024 6:01 PM, Jay E. Morris wrote: > On 11/19/2024 12:44 PM, Garrett Wollman wrote: >> In article <vhih8r$1uic7$1@dont-email.me>, >> Cryptoengineer <petertrei@gmail.com> wrote: >>> On 11/19/2024 11:25 AM, Paul S Person wrote: >>>> I don't suppose there is an easy way to relate a given cell phone >>>> number to the carrier and so to the @ address? >>> >>> No, there isn't. US phone numbers have been movable between carriers >>> for decades. I did it myself. >> >> There is a national database -- obviously, because the incoming calls >> have to get routed to the right carrier. I seem to have misplaced the >> name of this database; it's operated under an FCC contract by an >> organization called the Number Portability Administration Center. >> Every phone call and SMS message requires a lookup in this database. >> >> Originally, calls would be routed on the basis of the local exchange >> carrier to which the NPA-NXX was assigned, and then numbers which had >> been "ported out" would be kicked back to the originating carrier with >> a "not our number" message to force a database lookup. These days, >> it makes sense to just do the database dip unconditionally. (There's >> caching in the carrier networks to minimize their database access >> charges.) >> >> Whether there's any way for normal people to get access to this >> information I don't know. >> >> -GAWollman >> > > As I said in the other message, https://www.whitepages.com/ and the > reverse number lookup did give my carrier. I have not moved carriers in > over 20 years though so someone who has would have to verify that it > still gives the right carrier. Interesting, thanks! pt