4-1-1 is the telephone number for local directory assistance in the United States and Canada.
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Directory assistance

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4-1-1 is the telephone number for local directory assistance in the United States and Canada.
In the North American Numbering Plan (covering Canada and the United States), directory assistance may be contacted by dialing 4-1-1 (one of the N11 codes).

GOOG-411

It was an alternative to 4-1-1, an often-expensive service provided by local and long-distance phone companies, and was therefore commonly known as Google 411.

1-800-FREE-411

1-800-FREE-411
Since the 1984 Bell System divestiture, the RBOCs in the United States have priced 4-1-1 use higher to an average of $1.25 USD per call, compared to $0.50 CAD in most of Canada, providing opportunities for competing services in the United States, such as ad-sponsored 1-800-FREE-411.

Tellme Networks

TellMeMicrosoft TellMeVoice of Tellme
Some of the services running on Tellme's network include directory assistance (4-1-1) for AT&T and Verizon (landline), AT&T's Voice Dial (*08), customer service for Merrill Lynch, E*TRADE Financial, and American Airlines, and e-commerce services for Fandango.

Mary J. Blige

Mary J. BligeMatriarchMary J Blige
The title, What's the 411?, derived from Blige's past occupation as a 4-1-1 operator; it was also an indication by Blige of being the "real deal".

Emergency medical dispatcher

emergency medical dispatcherEMS dispatcheremergency medical call taker
In the United States, the decision was made to utilize the Canadian number, for reasons of ease of memory (4-1-1 and 6-1-1 were already in use), and ease of dialing.

Numeronym

numeronymnumeronyms
Some numeronyms are composed entirely of numbers, such as "212" for "New Yorker", "4-1-1" for "information", "9-1-1" for "help", and "101" for "basic introduction to a subject".

9-1-1

9-1-1911911 call
AT&T chose the number 9-1-1, which was simple, easy to remember, dialed easily, and because of the middle 1, indicating a special number (see also 4-1-1 and 6-1-1) worked well with the phone systems in place at the time (which 999 would not).

What Lies Beneath

Claire redials the phone to discover that he actually dialed 411, faking the conversation.

Darby Bailey

She is most known as the 'Voice of Tellme' and the voice of Verizon and AT&T's 4-1-1 Directory Assistance.

List of yellow pages

Yellow Pages CanadaJamal's Yellow PagesJordanian Yellow Pages

What's the 411?

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The title, What's the 411?, derived from Blige's past occupation as a 4-1-1 operator; it was also an indication by Blige of being the "real deal".

Automatic call distributor

ACDautomatic call distributionautomatic call distributor
Although ACDs appeared in the 1950s, one of the first large and separate ACDs was a modified 5XB switch used by the New York Telephone Company in the early 1970s to distribute calls among hundreds of 4-1-1 information operators.

Computer Currents

Computer Currents described itself as: Computer Currents is the 411/911 magazine.

Reverse telephone directory

Grey pagesreverse telephone directoryreverse-directory
As cellular phones become more popular, there has been debate about releasing cell phone numbers into public 411 and reverse number directories.

Adragon De Mello

On March 15, 2001, the elder De Mello, allegedly called 4-1-1 asking for the phone number of the police and mentioning that he was dying of cancer.