Overview#

N11 (Easily Recognizable Code) is a three-digit Telephone Number used in abbreviated dialing in some telephone administrations of the North American Numbering Plan (NANP).

These 8 ERCs, called service codes, are not used as Area Codes.

N11 numbers are used to access to special services. For example:

• 2-1-1: Community services and information
• 3-1-1: Municipal government services, non-emergency number
• 4-1-1: Directory assistance
• 5-1-1: Traffic information or police non-emergency services
• 6-1-1: Telephone company (telco) customer service and repair
• 7-1-1: TDD and Relay Services for the deaf and hard of hearing
• 8-1-1: Underground public utility location (United States);[1] non-emergency health information and services (Canada)
• 9-1-1: Emergency services (police, fire, ambulance and rescue services)

4-1-1 and 6-1-1 are commonly used within the United States, but not officially assigned by the Federal Communications Commission.

More Information#

There might be more information for this subject on one of the following:

• 9-1-1
• Easily Recognizable Code
• North American Numbering Plan