EarthWorks Geospatial Catalog

Massachusetts, USA (Zipcodes+4, 2002)

TIGER 2002 contains over 27,000,000 ZIP+4 points, each one being linked to a specific street segment. This file has only Massachusetts information but information is available for every state in the GIS Lab, Rotch Library. Call number for this CD is G3701 P8 2004 S7. The files on the ZIP+4 CD are compressed in a .zip format, by state.Each ZIP+4 point was placed on the correct side at the middle of each street segment. In the case of a street segment with multiple vertices, the ZIP+4 point was placed on the appropriate side of the middle segment or middle vertix. Each point has been offset 25 feet, perpendicular to the street segment.
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