The TIGER import brings in US Census Designated Places as a Level 8 Administrative boundary. As far as I understand CDPs are statistical boundaries and should be deleted. Is that true? The unincorporated areas I'm working have 80,000 to 100,00 people essentially without a defining border. In reality people refer to where they live by their postal code. Should I use postal code an administrative boundary? asked 09 Feb '16, 13:00  tylerchill |
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I have no clue especially about USA boundary and postalcode system, but maybe you can ask again th the US sub forum at http://forum.openstreetmap.org/viewforum.php?id=20 (log in there with your OSM credentials) or consult the tals-US mailinglist ... see https://wiki.openstreetmap.org/wiki/Mailing_lists