"telephone number" - related articles and key terms

Related terms: nanp   dial   vonage   voip   caller   fcc   rotary dial   ip telephony   portability   edison   phone numbers   long distance   telephone operator   area code   telephone network   telephone exchange   directory assistance   telephone   digits   prefix   broadband   emergency telephone number   subscribers   north american numbering plan   public switched telephone network   mobile phone   number   emergency   customer   call

Wikipedia sources: 9-1-1   First normal form   North American Numbering Plan   555 (telephone number)   Telephone exchange   Telephone   Infomercial   Toll-free telephone number   Lindbergh kidnapping   Port address translation   867-5309/Jenny   Vonage   100 (number)

Context for words: telephone   number