NANPA Activities
NANPA Activities
NRUF
NANPA Activities
NANPA Activities
NANPA Activities
NANPA Activities
NANPA Activities

Numbering Resources

800-855 Line Numbers

800-855 line numbers, in the format 800-855-XXXX, are used to access Public Switched Telephone Network services for the deaf, hard of hearing, or speech impaired. Such services include Telecommunications Relay Service and Message Relay Service.

800-855 line numbers are assigned according to guidelines developed by the Industry Numbering Committee, which is sponsored by ATIS.

View current 800-855 line number assignments

Request 800-855 line number assignments

© 2017 Neustar, Inc. Legal Notice | Neutrality (pdf) | Privacy Notice | Website Guide.