North American Numbering Plan - related articles and key terms

Related articles: 9-1-1   Telephone numbering plan   Area code 360   List of country calling codes   Public switched telephone network   Toll-free telephone number   555 (telephone number)   Emergency telephone number   Puerto Rico   United States   Guam

Key terms: calls   area code   dialing   telephone   nanp   digits   xxxx   prefix   overlays   telephone number   nanpa   caller   local calls   phone numbers   pagers   nashua   mobile phone   landline   nuisance   new area code   long distance   allocations   middle digit   second digit   npa code   cellular phones   toll alerting   toll calls   direct dialing   north american numbering plan   portability   puerto rico   geographical area   dominican republic   telephone users   all local calls   directory assistance   telephone exchange   alphabetic dialing   permissive dialing   telephone companies   splits and overlays   area code splitting   emergency telephone number   vertical service code   fictional telephone numbers   public switched telephone network   american numbering plan area codes   north american numbering plan area   north american numbering plan administration

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