| Layer | Nation-Based Files  | 
State-Based Files  | 
County-Based Files  | 
|---|---|---|---|
| Note that not all files exist for all states or all counties. | |||
| Alaska Native Regional Corporation | X | ||
| American Indian/Alaska Native/Native Hawaiian Area | X | ||
| American Indian Tribal Subdivision | X | ||
| Block | X | ||
| Block Group | X | ||
| Census Tract | X | ||
| Combined New England City and Town Area | X | ||
| Combined Statistical Area | X | ||
| Congressional District--112th | X | ||
| Consolidated City | X | ||
| County | X | ||
| County Subdivision | X | ||
| Metropolitan Division | X | ||
| Metropolitan/Micropolitan Statistical Area | X | ||
| New England City and Town Area | X | ||
| New England City and Town Area Division | X | ||
| Place | X | ||
| School District--Elementary | X | ||
| School District--Secondary | X | ||
| School District--Unified | X | ||
| State | X | ||
| State Legislative District--Lower Chamber | X | ||
| State Legislative District--Upper Chamber | X | ||
| Subminor Civil Division | X | ||
| Tribal Block Group | X | ||
| Tribal Census Tract | X | ||
| All Lines | X | ||
| All Roads | X | ||
| Address Range-Feature | X | ||
| Area Hydrography | X | ||
| Area Landmark | X | ||
| Linear Hydrography | X | ||
| Military Installation | X | ||
| Point Landmark | X | ||
| Primary Roads | X | ||
| Primary and Secondary Roads | X | ||
| Rails | X | ||
| Topological Faces (Polygons with all Geocodes) | X | ||
| Address Range Relationship File | X | ||
| Address Range-Feature Name Relationship File | X | ||
| Faces-Area Hydrography Relationship File | X | ||
| Faces-Area Landmark Relationship File | X | ||
| Faces-Military Installation Relationship File | X | ||
| Feature Names Relationship File | X | ||
| Other Identifiers Relationship File | X | ||