Zip Code Information
To facilitate the correct
delivery of correspondence and possibly take advantage of reduced mailing
rates, the 9-digit zip code should be used. There are several different
places in which this information can be found:
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Call the vendor. Everyone is
supplied with a 9-digit code and most business correspondence includes
the complete zip code.
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Call the post office. The information
is available and someone there can assist with the last four digits of
the zip code.
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Order and use a book which lists
all zip codes plus the last four digits. One such vendor is National Customer
Support Center (the short name is Natlcustomersupportcenter). The vendor
number is 941308560 B. The cost of the book is $18.00 and the company accepts
purchase orders as well as prepayments.
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Use the internet. The address
to locate zip codes is: http://www.usps.gov/ncsc/lookups/lookup_zip+4.html
Please contact the NCAS Help
Desk (875-HELP) for further assistance.