Montana Gazetteer
| Number | Census Class & Code | Description |
|---|---|---|
| 127 | Incorporated Places - C1 | An active incorporated place that does not serve as a county subdivision equivalent. |
| 1 | Incorporated Places - C3 | A consolidated city. |
| 6 | American Indian Areas - D1 | Legal federally recognized American Indian area consisting of reservation and associated off-reservation trust land. |
| 1 | American Indian Areas - D2 | Legal federally recognized American Indian area consisting of reservation only. |
| 23 | American Indian Areas - D7 | A tribal subdivision. |
| 54 | Counties and County Equivalents - H1 | An active county or equivalent feature. |
| 2 | 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. |
| 194 | Inactive or Nonfunctioning Primary County Divisions - Z5 | A statistical county subdivision. |
| 2 | Land Grants & Other - N/A | Land Grants and Other Unclassified Civil Features |
