Charles,
Thanks for starting the dialog and being willing to work on a project like
this.
Those are not exactly the same as postal zip codes, they are specific for
census purposes, so the community may want to keep that in mind.
Mike
On Mon, Feb 17, 2014 at 12:11 PM, o...@charles.derkarl.org
Charles,
The zipcode information from census.gov aren't official zipcodes. Only the
USPS knows those and they don't give them out very often. Also, zip codes
are not polygons, but lines. Also, the data from Census is from 2010 and
hasn't been updated since. It's my opinion that they should not be
On 2/17/14 2:11 PM, o...@charles.derkarl.org wrote:
Hi,
I have a shape file from census.gov which contains the boundaries for all zip
codes in the US. This data should not need licensing in that it comes from
the
us federal census.
I would also like the community to answer this
Hi Charles,
Thanks for willing to help out getting better ZIP code coverage into
OSM. Importing from Census however is not the way to go, for reasons
Ian pointed out just now. I would add that OSM already contains higher
level administrative boundaries, most of which also derive from Census
data.
Formally, the Census product is called ZCTAs - Zip Code Tabulation Areas,
and they are polygons. They are useful in a variety of operations internal
to Census Bureau, and externally as part of the transportation planning
program but, as others have pointed out, they are NOT official Zip codes.
The
Others probably gave you what you needed, but here is some links for more
reading if anyone wants to understand the issue better.
http://www.unitedstateszipcodes.org/ Reasonable write up, similar to what
has already been said here.
http://faq.usps.com/... USPS
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