[Talk-us] [Imports] Zipcode Import
Paul Johnson
baloo at ursamundi.org
Mon Dec 21 20:19:30 GMT 2009
Matthias Julius wrote:
> Paul Johnson <baloo at ursamundi.org> writes:
>
>> Nobody uses the ZIP codes except the post office. Truckers
>> certainly don't use 'em, it's easier to look up the state, city, and
>> street in that order.
>
> Many businesses offer to search for local branches by ZIP code.
> Businesses calculate shipping costs based on your ZIP code. Google
> maps and friends display ZIP codes. ZIP codes are also a tool for
> consistency checking. All these uses have nothing to do with the post
> office.
And all of them break in the Portland because the post office regularly
changes the local zipcodes. For example, 97006 has been on a westward
shift continuously all decade. 97008 has been moving north.
Using ZIP for geolocation considered harmful.
More information about the Talk-us
mailing list