N11 codewikipedia
An N11 code (N-one-one) is a three-digit telephone number used in abbreviated dialing in some telephone administrations of the North American Numbering Plan (NANP).
N11N-1-1

Abbreviated dialing

abbreviated dialingspeed dialingabbreviated
An N11 code (N-one-one) is a three-digit telephone number used in abbreviated dialing in some telephone administrations of the North American Numbering Plan (NANP).
Other services may also be available through abbreviated dialing numbers, such as the other of the eight N11 codes of the North American Numbering Plan (NANP) besides 9-1-1.

2-1-1

2-1-1211
Like the emergency telephone number 9-1-1, 2-1-1 is one of the eight N11 codes of the North American Numbering Plan (NANP).

3-1-1

3-1-13113-1-1 system
The number format follows the N11 code for a group of short, special-purpose local numbers as designated in the North American Numbering Plan.

North American Numbering Plan

Area codeArea codes<span style="white-space:nowrap;">Area code(s)
An N11 code (N-one-one) is a three-digit telephone number used in abbreviated dialing in some telephone administrations of the North American Numbering Plan (NANP).

5-1-1

5-1-1511
It is an example of an N11 code, part of the North American Numbering Plan.

8-1-1

8-1-1811North Carolina 8-1-1
8-1-1 is an N-1-1 telephone number in Canada and the United States.

9-1-1

9-1-1911911 call
9-1-1, also written 911, is an emergency telephone number for the North American Numbering Plan (NANP), one of 8 N11 codes.

Directory assistance

directory assistancedirectory enquiries118 500
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).

7-1-1

7-1-1711
711 is one of eight N11 codes for abbreviated dialing in the North American Numbering Plan.

6-1-1

6-1-1611
It is an N11 code of the North American Numbering Plan that are used for special services.

Single non-emergency number

101Force Contact Centre (SNEN)single non-emergency number
*Single non-emergency number
In the United States and Canada, multiple services are provided under the N11 code system that provides for eight different services.

Foreign exchange service (telecommunications)

foreign exchange stationforeign exchange officeforeign exchange line
The "FX line" is usually treated as part of the distant city when originating calls to N11-style numbers, such as information or emergency telephone numbers.

Automatic number announcement circuit

automatic number announcement circuitANACautomatic number announcement
N11 prefixes such as 211, 311 and 511 are also disappearing as test numbers as these codes are reassigned to local services such as city, community or highway information.

Special information tone

special information tonespecial information tonesOOS

Telephone number

telephone numberphone numbertelephone numbers
An N11 code (N-one-one) is a three-digit telephone number used in abbreviated dialing in some telephone administrations of the North American Numbering Plan (NANP).

Telephone numbering plan

Area codeCalling codearea codes
The designation for special use in the NANP prevents their use as area code or central office prefix, eliminating nearly 8,000,000 telephone numbers from assignment.

United States

AmericanU.S.USA
The assigned use of each N11 can vary for the various countries included in the NANP, but 9-1-1 is mandated in the United States and Canada, while the availability of the other N11 codes varies by location.

Canada

CanadianCanadaCAN
The assigned use of each N11 can vary for the various countries included in the NANP, but 9-1-1 is mandated in the United States and Canada, while the availability of the other N11 codes varies by location.

Law

lawlegallaws
7-1-1 and 9-1-1 access is mandated by law in the United States, even within private networks (PBX, enterprise and cellular systems).

Business telephone system

PBXprivate branch exchangekey telephone system
4-1-1 and 6-1-1 (formerly 8-1-1) are typically blocked within enterprise or private branch exchange (PBX) systems, including cellular telephone service purchased for an enterprise system, since 4-1-1 calls generally incur a fee and the service is now readily accessible by other means, and 6-1-1 services are managed by the enterprise in which the phone resides.

Nonprofit organization

non-profitnon-profit organizationnonprofit organization
Other community services are provided through 2-1-1, but only if a nonprofit organization, such as United Way of America, or the local government operates it locally.