Where can I learn more about ZCTAs and ZIP Codes?
| Source | URL |
|---|---|
| Wikipedia.org "ZIP Code Tabulation Area" | http://en.wikipedia.org/wiki/ZCTA |
| U.S. Census "ZIP Code Information" | http://www.census.gov/geo/www/tiger/tigermap.html#ZIP |
| U.S. Census "ZCTA FAQ" | http://www.census.gov/geo/ZCTA/zctafaq.html |