Codes
- Current List of ClassFP Codes
| ClassFP Code | Class Code Description | Associated Geographic Entity |
|---|---|---|
| C1 | An active incorporated place that does not serve as a county subdivision equivalent | Economic Census Place, Incorporated Place |
| C2 | An active incorporated place that is legally coextensive with a county subdivision but treated as independent of any county subdivision | County Subdivision, Economic Census Place, Incorporated Place |
| C3 | Consolidated City | Consolidated City |
| C4 | Alternate official common name for an incorporated place | Locality Point |
| C5 | An active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent | County Subdivision, Economic Census Place, Incorporated Place |
| C6 | An active incorporated place that partially is independent of any county subdivision and serves as a county subdivision equivalent or partially coextensive with a county subdivision but treated as independent of any county subdivision | Incorporated Place |
| C7 | An incorporated place that is independent of any county | County or Equivalent Feature, County Subdivision, Economic Census Place, Incorporated Place |
| C8 | The balance of a consolidated city excluding the separately incorporated place(s) within that consolidated government | Economic Census Place, Incorporated Place |
| C9 | An inactive or nonfunctioning incorporated place | Economic Census Place, Incorporated Place |
| M1 | A military or other defense installation that is not entirely within a census designated place | Locality Point, Military Installation |
| M2 | A military or other defense installation entirely within a place | Census Designated Place, Economic Census Place, Military Installation |
| U1 | A census designated place with an official federally recognized name | Census Designated Place, Economic Census Place |
| U2 | A census designated place without an official federally recognized name | Census Designated Place, Economic Census Place |