An N11 code (pronounced ''Enn-one-one'') is a three-digit dialing code used in abbreviated dialing in the

North American Numbering Plan The North American Numbering Plan (NANP) is an integrated telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1, World Numbering Zone ...

(NANP). The mnemonic ''N'' stands for the digits ''2'' through ''9'' and thus the syntax stands for the codes ''211'', ''311'', ''411'', ''511'', ''611'', ''711'', ''811'', and ''911''. These dialing codes provide access to special local services, such as ''911'' for emergency services, which is a facility mandated by law in the United States. The (FCC) in CC Docket 92-105, specified how the N11 codes of 211, 311, 511, 711 and 811 codes would be used for various types of public information under NANP.

Services

N11-numbers provide access to special services. For example, MUTCD D12-5

211 Year 211 ( CCXI) was a common year starting on Tuesday of the Julian calendar. At the time, in the Roman Empire it was known as the Year of the Consulship of Terentius and Bassus (or, less frequently, year 964 ''Ab urbe condita''). The denomin ...

Community A community is a social unit (a group of people) with a shared socially-significant characteristic, such as place, set of norms, culture, religion, values, customs, or identity. Communities may share a sense of place situated in a given g ...

services and information * 311:

Municipal government A municipality is usually a single administrative division having corporate status and powers of self-government or jurisdiction as granted by national and regional laws to which it is subordinate. The term ''municipality'' may also mean the go ...

services, non-emergency number * 411:

Directory assistance In telecommunications, directory assistance or directory inquiries is a phone service used to find out a specific telephone number and/or address of a residence, business, or government entity. Technology Directory assistance systems incorporate ...

* 511: Traffic information or police non-emergency services * 611: Telephone company (telco)

customer service Customer service is the assistance and advice provided by a company to those who buy or use its products or services, either in person or remotely. Customer service is often practiced in a way that reflects the strategies and values of a firm, and ...

and repair *

711 711 may refer to: * 711 (number), a natural number * AD 711, a year of the 8th century AD * 711 BC, a year of the 8th century BC * 7-1-1, the telephone number of the Telecommunications Relay Service in the United States and Canada * 7-Eleven, a c ...

: TDD and

Relay A relay Electromechanical relay schematic showing a control coil, four pairs of normally open and one pair of normally closed contacts An automotive-style miniature relay with the dust cover taken off A relay is an electrically operated switc ...

Services for the deaf and hard of hearing * 811: Underground public

utility location Utility locating is the process of identifying and labeling public utility mains that are underground. These mains may include lines for telecommunication, electricity, electricity distribution, natural gas, cable television, optical fibers, fib ...

(United States);See Federal Communications Commissio
Document No. 92-105
/ref> non-emergency health information and services (Canada) *

911 911, 9/11 or Nine Eleven may refer to: Dates * AD 911 * 911 BC * September 11 ** The 2001 September 11 attacks on the United States by al-Qaeda, commonly referred to as 9/11 ** 11 de Septiembre, Chilean coup d'état in 1973 that ousted the ...

Emergency service Emergency services and rescue services are organizations that ensure public safety, security, and health by addressing and resolving different emergencies. Some of these agencies exist solely for addressing certain types of emergencies, while oth ...

s (

police The police are Law enforcement organization, a constituted body of Law enforcement officer, people empowered by a State (polity), state with the aim of Law enforcement, enforcing the law and protecting the Public order policing, public order ...

fire Fire is the rapid oxidation of a fuel in the exothermic chemical process of combustion, releasing heat, light, and various reaction Product (chemistry), products. Flames, the most visible portion of the fire, are produced in the combustion re ...

ambulance An ambulance is a medically-equipped vehicle used to transport patients to treatment facilities, such as hospitals. Typically, out-of-hospital medical care is provided to the patient during the transport. Ambulances are used to respond to ...

and

rescue Rescue comprises responsive operations that usually involve the saving of life, removal from danger, liberation from restraint, or the urgent treatment of injury, injuries after an incident. It may be facilitated by a range of tools and equipm ...

services) 411 and 611 are commonly used in the United States, but not officially assigned by the

Federal Communications Commission The Federal Communications Commission (FCC) is an independent agency of the United States government that regulates communications by radio, television, wire, internet, wi-fi, satellite, and cable across the United States. The FCC maintains j ...

. The designation for special use in the NANP prevents their use as

area code A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, rea ...

s and central office prefixes, eliminating about 8 million telephone numbers from assignment. The assigned use of each N11 code may vary for the various countries, US states, and Canadian provinces of the NANP, but 911 is mandated in the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

and

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

, 711 and 911 access is mandated by

law Law is a set of rules that are created and are enforceable by social or governmental institutions to regulate behavior, with its precise definition a matter of longstanding debate. It has been variously described as a science and as the ar ...

in the United States, even within private networks (PBX, enterprise and cellular systems). 411 and 611 are supported by the service provider for the calling phone, but not all carriers provide these services. 411 and 611 (formerly 811) are typically blocked within enterprise or

private branch exchange A business telephone system is a telephone system typically used in business environments, encompassing the range of technology from the key telephone system (KTS) to the private branch exchange (PBX). A business telephone system differs from ...

(PBX) systems, including cellular telephone service purchased for an enterprise system, since 411 calls generally incur a fee and the service is now readily accessible by other means, and 611 services are managed by the enterprise in which the phone resides. Other community services are provided through 211, but only if a

nonprofit organization A nonprofit organization (NPO), also known as a nonbusiness entity, nonprofit institution, not-for-profit organization, or simply a nonprofit, is a non-governmental (private) legal entity organized and operated for a collective, public, or so ...

, such as

United Way of America United Way is an international network of over 1,800 local nonprofit fundraising affiliates. Prior to 2015, United Way was the largest nonprofit organization in the United States by donations from the public. Individual United Ways mobilize a sin ...

, or the local government operates it locally. Likewise, local, state or provincial government may, but do not uniformly, operate traffic information using 511. 811 was made mandatory in the United States in 2007; however, it has not been universally implemented. 711 is funded through the TRS Fund, which telephone companies are mandated to maintain to provide Relay Services for the Deaf and Hearing Impaired.

011

Within the NANP, a leading digit of 0 or 1 indicates special dialing arrangements. ''1'' is the toll-dialing prefix, or ''trunk prefix''. 011 is the international calling prefix, dialed before a

country code A country code is a short alphanumeric identification code for countries and dependent areas. Its primary use is in data processing and communications. Several identification systems have been developed. The term ''country code'' frequently re ...

to call internationally.

References

External links

FAQ on Use of N11 Service Codes
from NANPA.com

{{Emergency telephone numbers, state=uncollapsed North American Numbering Plan Three-digit telephone numbers

Services

011

See also

References

External links