What number am I dialling from?
September 12, 2006 1:06 PM   Subscribe

Is there some code, in the manner of *69, that returns the number I am dialing from? It doesn't have to be a star code, whatever works. How do telco people do this?
posted by everichon to Technology (17 answers total) 3 users marked this as a favorite
Workaround solution: Call somebody with Caller ID.
posted by Faint of Butt at 1:10 PM on September 12, 2006

Dialing 958 should do the trick.
posted by bink at 1:12 PM on September 12, 2006

If you are calling from a land line and not from within a phone system(like a company's phone system with extensions), all you is pick up the phone and hit 200. The voice will come on and tell you the number you are dialing from...
posted by maelanchai at 1:12 PM on September 12, 2006

It might vary from area to area, but in Austin, you can get the number you're calling from by dialing 830.
posted by Gilbert at 1:13 PM on September 12, 2006

Yes, there are many of them. They are called "ANI numbers" and they are very very useful. The one I always use is 1-800-444-4444. Just call it and wait for the prompt.

If you're interested in this sort of thing, check out PhoneLosers, 2600 magazine, and Phrack.
posted by fake at 1:14 PM on September 12, 2006 [6 favorites]

Yep, varies by area. 200 and 958 get me nothing.
posted by Gilbert at 1:15 PM on September 12, 2006

This is like the time lady. At my parents, to get the time lady, you dial 412-1212, but I've never seen that work anywhere else.
posted by dpx.mfx at 1:19 PM on September 12, 2006

dpx - dial "pop-corn" from anywhere in the US (I guess that's 767-2676)
posted by muddgirl at 1:31 PM on September 12, 2006

Ah. I'm on the East Coast and 958 has worked for me in NY, NJ and PA, but it probably won't help you in Oregon. Sorry.
posted by bink at 1:32 PM on September 12, 2006

The operator will also tell you what number you are dialing from if you ask.
posted by Mitheral at 1:39 PM on September 12, 2006

711 used to work.
posted by jon_kill at 1:40 PM on September 12, 2006

I have heard it referred to as the "Iron Maiden" for the female voice that repeats the number. In NYC and on LI, 958 works (ed) and in Westchester county 990 worked.

It was especially helpful with pay phones. You could have the other party call you back and save lots of nickels.
posted by JohnnyGunn at 1:45 PM on September 12, 2006

What you want is an ANAC (Automatic number announcement circuit) number. They are different by phone company, and the phone companies don't like to tell people what the numbers are. More information, and lists of numbers that may help you, at tech-faq.com or wikipedia.
posted by dammitjim at 1:47 PM on September 12, 2006

I've always just buzzed my own mobile phone. I've only ever done this in the UK but I'd imagine it'd work pretty much anywhere.
posted by ed\26h at 2:23 PM on September 12, 2006

In the UK 17070 is the test line.

"This circuit is defined as..."
posted by hardcode at 4:07 PM on September 12, 2006 [1 favorite]

Back in the day, 1-800-MY-ANI-IS was great. Sadly, it now refers you to a 1-900 number. Ah, memories.

fake's number works for me.

767-2676 is a private office number in Minneapolis, btw.
posted by gimonca at 4:24 PM on September 12, 2006

In ancient times*, in Michigan, telco employees called the operator and requested a "drop wire line check". I've used this, it worked. Back then, no one would give you the number otherwise. Do they even have such operators anymore?

* Ancient Times: pre-internet, pre-AT&T breakup.
posted by Goofyy at 7:13 AM on September 14, 2006

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