On Wed, Apr 13, 2016 at 03:31:47PM -0000, John Levine wrote: > >There are similar problems with phone numbers. Google's libphonenumber, > >for example, will tell you that +1 855 266 7269 is in the US. It's not, > >it's Canadian ... > Actually, it's probably both US and Canadian. When you call an 8xx > toll free number, the switch uses a database to route the call to > whatever carrier handles it, who can then do whatever they want. The > provider for that number, Callture, is in Ontario but they can > terminate the calls anywhere, and send each call to a different lace.
I was careful to pick a number on a Canadian company's website. > Also, in fairness, the US is about 90% of the NANP, so guessing that > an 8XX number is in the US is usually correct. That's another way of saying that it's deliberately wrong 10% of the time for pan-NANP prefixes. Better to say "I don't know" than to just guess. -- David Cantrell | Official London Perl Mongers Bad Influence
