|Census Class & Code
|Incorporated Places - C1
|An active incorporated place that does not serve as a county subdivision equivalent.
|Alaska Native Areas - E7
|An Alaska Native Regional Corporation.
|Counties and County Equivalents - H1
|An active county or equivalent feature.
|Counties and County Equivalents - H5
|A statistical county equivalent feature.
|Counties and County Equivalents - H6
|A county that is coextensive with an incorporated place, part of an incorporated place, or a consolidated city and the governmental functions of the county are part of the municipal govenment.
|Obsolete or Incorrect Name - X1
|Deleted feature that was a governmental entity.
|Inactive or Nonfunctioning Primary County Divisions - Z5
|A statistical county subdivision.
|Land Grants & Other - N/A
|Land Grants and Other Unclassified Civil Features