Maptitude - http://research.umbc.edu/~roswell/maptitude.html

Mike,
Point ZIP codes are used by the USPS in those cases where a building,
facility or organization gets a ZIP code all by itself.  As such, the ZIP
code does not cover an area, but rather a point.  You can find these on the
Zip centroid layer.  To do this, add a layer to an existing map (of a city,
for example) and choose Cczip5pt.cdf.  Then look at the dataview and you'll
see what I'm talking about.  In the Charlotte example, you'll see that 28289
is Southern National Bank, 28286 is Cameron Brown, and 28228 is the General
Mail Facility.  All are point ZIPs enclosed in 28208.
Steve

-----Original Message-----
From: McCann, Michael J. (Mike) [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 05, 2001 11:53 AM
To: '[EMAIL PROTECTED]'
Subject: FW: [Maptitude] Wish - Mapping Data for Enclosing Zips


Steve,

Quick question:

A couple of quick questions: 

What are these other point zip codes?  How can you have a zip code within a
zip code?  Are these other zip codes just PO boxes?
Have you verified these zips via US Post Office?

Mike

-----Original Message-----
From:   Steve-Hendel [mailto:[EMAIL PROTECTED]] 
Sent:   Monday, February 05, 2001 11:23 AM
To:     'Maptitude List'
Subject:        [Maptitude] Wish - Mapping Data for Enclosing Zips

Maptitude - http://research.umbc.edu/~roswell/maptitude.html
Hello to everyone.  I have been a fan of Maptitude for a long time, since it
is cheap. powerful, and relatively easy to use.  We are not yet using it for
any production applications here at Office Depot, but I and some others
occasionally use it for desktop work.  Other departments are using MapInfo
and formerly Atlas GIS as they have connections with other vendors whose
products we use.
We often create ZIP code area maps denoting things like sales, market
potential and market penetration.  Maptitude provides some great data on
USPS 5-digit ZIP code areas and ZIP code centroids.  But you can't create an
area map for point data, which is what the ZIP centroids are.  My wish is
that there be a way, inside of Maptitude, to include data for enclosed point
ZIP codes in their enclosing ZIP areas.  
For example, in Charlotte NC, the area ZIP 28208 encloses thirteen point
ZIPSs (28219, 28228, 28240, 28254, 28258, 28260, 28265, 28266, 28272, 28275,
28289, 28290, and 28296).  We have sales data for each of these 14 ZIP
codes, as that is provided by the customer address.  Yet we have area data
and demographic information only for the area ZIP 28208.  Is there a way,
without external processing, that we can specify to have point ZIP data
mapped into the area ZIP in which the point ZIPs are enclosed?  If not,
please add it to the wish list.
Thanks.  This is a most interesting, active, and helpful list.  I am happy
to finally be able to contribute, if only a question.  Maybe in the future,
I can help provide some answers too.

Steve Hendel
Director - Systems Development
Office Depot
2200 Old Germantown Rd
Delray Beach FL  33445-8299
561-438-1321


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