|Number||Census Class & Code||Description|
|91||Incorporated Places - C1||An active incorporated place that does not serve as a county subdivision equivalent.|
|8||American Indian Areas - D1||Legal federally recognized American Indian area consisting of reservation and associated off-reservation trust land.|
|13||American Indian Areas - D2||Legal federally recognized American Indian area consisting of reservation only.|
|145||American Indian Areas - D7||A tribal subdivision.|
|15||Counties and County Equivalents - H1||An active county or equivalent feature.|
|1||Obsolete or Incorrect Name - X1||Deleted feature that was a governmental entity.|
|80||Inactive or Nonfunctioning Primary County Divisions - Z5||A statistical county subdivision.|
|20||Land Grants & Other - N/A||Land Grants and Other Unclassified Civil Features|
The Demographic Data for the 891 Arizona cities, towns, counties, ZIP Codes and Census Designated Places (CDPs) profiled in this gazetteer is updated annually. Last Update: July 1, 2014.
The ZIP Code maps and the data regarding the number of residential and business addresses in each ZIP Code are updated four times per year. Last Update: November 1, 2014.
The information on the 48,710 Arizona Physical, Cultural and Historic Features is updated six times per year. Last Update: December 2, 2014.
The School Attendance Zone Maps for 1,751 Arizona public schools are updated four times per year. Last Update: October 6, 2014.