1. 
   NANP
   North American Numbering Plan.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   NANP
   The North American Numbering Plan - a numbering architecture in which every station in the NANP Area is identified by a unique ten-digit address consisting of a three-digit NPA code, a three digit central office code of the form NXX, and a four-digit line number of the form XXXX.
   Found op http://www.puc.state.pa.us/telecom/areacode/area_code_dictionary.xhtml
   
   
3. 
   nanp
   1) Abbreviation for north american numbering plan
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/nanp/1
   
   

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