ABC / AT&T / NPA and CO / Area Codes X 800 CO / Area Codes and CO / Numbering Administration Consortium / Interchangeable CO / Bell Communications Research Corporation / /
Continent
North America / /
Country
Antigua / Switzerland / Puerto Rico / American Samoa / Grenada / Barbados / Montserrat / Guam / Bahamas / Anguilla / Dominica / Bermuda / Cayman Islands / United States / U.S. Virgin Islands / Dominican Republic / Canada / Trinidad / British Virgin Islands / Jamaica / Northern Mariana Islands / /
Event
Business Partnership / /
Facility
Station Number / /
Holiday
Commonwealth Day / /
IndustryTerm
telecommunications networks / telephone systems / telephone dials / operational systems / wireless networks / telecommunication services / telecommunications / telecommunications service providers / public telecommunications / telecommunications regulators / Wireless Sector / /
NaturalFeature
Mariana Islands / Caicos Islands / /
Organization
Specialized Agency / Canadian Radiotelevision and Telecommunications Commission / Industry Numbering Committee / CRTC Interconnection Steering Committee / CC NDC / U.S. federal government / Federal Communications Commission / United Nations / North American Numbering Plan Administration / Central Office / Alliance for Telecommunications Industry Solutions / International Telecommunication Union / Telecommunications Commission / NANP Administration / /
Canadian Numbering Plan and Dialling Plan