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interesting number I found


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#1 GUEST_Guest_***

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Posted 19 August 2003 - 04:22 PM

After reading the post below titled "1800", which provided the extender number 1-800-555-1171, I decided to call some numbers around it. Sure enough, I found something interesting.

I stumbled upon 1-800-555-1170. It will read off some letters and numbers, then it will say "Please enter your 10 digit ANI". So, I entered a fake number, then it said "Please enter a 4 digit denus". I entered in some random digits, and it said "Thank you for calling American Express..." and it was about to transfer the call, that's when I hung up.

Any ideas what this might be used for?

#2 decoder

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Posted 19 August 2003 - 07:29 PM

If my memory serves me correctly (too many drugs :blink: ), that number used to be an ANAC, just like 1140 and 1180. After it went down, it came back very similar to what it is now. It used to say "B-A-N-K-1, please enter a 10-digit ANI". Its a little different now, but basically the same. I called it, entered a bunch of information, and waited to be transfered but it was just dead silence. I used to think it was some sort of credit card activation number, but considering I wasn't transfered to anyone, it most likely is some kind of test. Actually, I used 10-10-288 to call it, and AT&T dosen't disonnect when the called party hangs up, so maybe if I called it direct, it would have hung up on me after "transfering to American Express". Perhaps it recognizes if you don't enter the correct "ANI" (as in a number that AmEx has in their database for a credit card activation), it disconnects. As with many odd phone numbers, maybe we'll never know.

As a sidenote, 1800-555-1160 also used to be an ANAC. If you call 1800-555-1140, you'll notice that the DNIS is 03122, and the DNIS for 1180 is 03125. When 1160 and 1170 worked, they were 03123 and 03124, in that order. Try entering 3124 as the 4-digit DNIS that it asks for. (leave off the zero)

#3 ic0n

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Posted 21 August 2003 - 03:24 PM

a few years ago i scanned 800-555-11xx. all the anac's where @ 40 50 60 70 80 but after alot of abuse the got disconnected :(

#4 decoder

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Posted 21 August 2003 - 07:45 PM

I wonder how long it will be until 1140 & 1180 get shut down. Thesenumbers have got to be the most widely used ANAC's around. I personnaly always use ANAC's that give me the real-time ANI...the 1800-555's give you flex.




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