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A unique feature of our ZIP+4 Centroid Files is that each ZIP+4
location is offset from the street approximately 30 feet to provide additional
realism to their actual location. This subtle enhancement, not found in any
other ZIP+4 Centroid File, produces greater accuracy and thereby improving
analysis.
Click to View Sample PDF 
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Our ZIP+4 Centroid Files combine the latest information from the new
TIGER/Line™ 2003 files, the U.S. Postal Service's latest AMS-II files,
U.S. Geological Service survey data and our own proprietary data.
In addition, our centroids are offset approximately 30 feet from the
street segment on the proper side of the street. These offset centroids clearly
separate the ZIP+4 Centroids on facing blocks, thus contributing to more
accurate and useful ZIP+4 Centroid locations.
The use of our ZIP+4 Centroid File adds a new level of precision to
sales and marketing applications based on individual mailing addresses.
 quickly geocode a mailing list
code the location of addresses within other geographic zones
such as Census Tracts
precisely define the postal codes within a specific distance
from a store location
calculate the distance between specific addresses
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Available by State, Region, or the entire U.S.
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Available with Monthly, Quarterly, or Semi-Annual
updates and we can create custom .PDF or hard copy maps for you!
For pricing,
detailed file layouts, or questions, call us Toll Free at (866) 654-6343 or
E-mail us at sales@sammdata.com.
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Toll Free: (800) 689-6845 