Oklahoma Gazetteer
| Number | Census Class & Code | Description |
|---|---|---|
| 594 | Incorporated Places - C1 | An active incorporated place that does not serve as a county subdivision equivalent. |
| 5 | Incorporated Places - C9 | An inactive or nonfunctioning incorporated place. |
| 1 | American Indian Areas - D2 | Legal federally recognized American Indian area consisting of reservation only. |
| 12 | American Indian Areas - D7 | A tribal subdivision. |
| 77 | Counties and County Equivalents - H1 | An active county or equivalent feature. |
| 7 | Obsolete or Incorrect Name - X1 | Deleted feature that was a governmental entity. |
| 305 | Inactive or Nonfunctioning Primary County Divisions - Z5 | A statistical county subdivision. |
| 966 | Land Grants & Other - N/A | Land Grants and Other Unclassified Civil Features |
