"telephone number" - related articles and key terms

Related terms: nanp   fcc   voip   hoax   vonage   caller   edison   prefix   landline   wireline   digits   routing   telephony   portability   ip telephony   operator   area code   telephone   providers   incoming call   emergency   long distance   mobile phone   telephone network   emergency telephone   telephone exchange   directory assistance   local number portability   north american numbering plan   public switched telephone network

Wikipedia sources: First normal form   North American Numbering Plan   Vonage   Telephone   Enhanced 911   867-5309/Jenny   Local number portability   100 (number)   555 (telephone number)   Toll-free telephone number   999 (emergency telephone number)   Binary search algorithm   Lindbergh kidnapping   Port address translation

Context for words: telephone   number