A METHOD OF CODING POSTAL ADDRESSES FOR THE MECHANIZED DISTRIBUTION OF MAIL, AND A DIRECTORY BOOK FOR POSTAL CODES

摘要

The territory served by the postal administration is subdivided into postal zones each comprising a plurality of postal addresses and a respective first cluster of localization digits is assigned to each of said postal zones. According to the invention, each of the postal zones is subdivided into a plurality of sectors, each comprising a portion of street or square encompassing a respective group of street numbers having in common the tens and hundreds digits; each of the sectors of each postal zone is assigned a respective second cluster of localization digits within the postal zone; and each postal address is assigned a postal zone code generated by arranging in sequence the first cluster of digits localizing the zone where the address is located, the second cluster of digits localizing the sector within the zone, and a third cluster comprising the single units digit in the street number of the postal address. The invention also comprises a postal directory book made by the method.