According to wikipedia, zip+4 does not uniquely identify single individuals unle... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

zngtk4 on Aug 8, 2009 | parent | context | favorite | on: How Much Will the Post Office Put Up With?

According to wikipedia, zip+4 does not uniquely identify single individuals unless they are high volume recipients.

riffic on Aug 8, 2009 [–]

sometimes they do, depends on population density.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact