You can get ZCTAs (ZIP Code Tabulation Areas) from the U.S. Census (circa 2010): https://www.census.gov/cgi-bin/geo/shapefiles/index.php?year=2010&layergroup=ZIP+Code+Tabulation+Areas

USPS certainly has the data, which they release on a monthly basis, but don't make it easily available, either in format (won't be in shapefile) nor in accessibility (you might have to have a partner relationship with them to get access). I'd love to find out how to get access if anyone else knows more.

On Wed, Mar 16, 2016 at 1:00 PM, Daniel A Bradley <[log in to unmask]> wrote:

Hi gang...

I have been tasked with finding a zip code layer specifically for the state of RI (yes we have more than one zip code) but I'll expand the range if thats whats available. Where might I ?look to find just such a thing??? Does the postal service have such data available?

Daniel Bradley
GIS Coordinator
Warwick Fire Department
Lieutenant Engine Co 3
Station 3 - Oakland Beach

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