Area code 710
51–60 of 87 posts
Re: Area code 710
#52Is there anywhere else to read more about these kinds of special phone numbers? Something about the current state of phreaking?
Re: Area code 710
#53Earlier quoted context omitted.
My recollection is we were specifically curious about what today would be called invalid address space patterns, aka numbers that were outside the patterns used in valid phone numbers at the time (such as area codes could have a 1 in the middle digit but prefixes could not have a 1 in the middle in the 1980's). We pulled out a paper phone book, devised a set of criteria for potentially interesting superficially inval…
Here's a fun one: next time you get a new phone number (USA), ask for it to end in "9999". It's possible, but not without social engineering (or influence?).
Re: Area code 710
#54Earlier quoted context omitted.
Sure, but now they're getting dozens of calls from curious HNers.
Why would people call? It's not a mystery what happens---they'll ask you for the access code, and do nothing else if you don't provide it. It'd be a waste of time to call them.
Re: Area code 710
#55Earlier quoted context omitted.
Here's a fun one: next time you get a new phone number (USA), ask for it to end in "9999". It's possible, but not without social engineering (or influence?).
When I last got a new cell number I got one ending in "5555" Annoyingly I use Google Voice so something like 6 people actually know my awesome number.
Re: Area code 710
#56If a number was not an active customer it was put in an outbound call list to solicit long distance.
The best story i remember was when the navy wanted to know why we called one of their nuclear submarines. This implied that the right 10 random digits contacted a sub.
Re: Area code 710
#57Re: Area code 710
#58Re: Area code 710
#59Every time I see posts like this on HN, I feel obligated to post http://www.evan-doorbell.com/production/ I originally discovered this guy from HN and the audio recordings on that site are mesmerizing to me.