Cartographic Boundary File Summary Level Codes
 Summary Level Code  Summary Level Name

020  Region
030  Division
040  State
050  State-County
060  State-County-County Subdivision
067  State-County-County Subdivision-Subminor Civil Division
140  State-County-Census Tract
150  State-County-Census Tract-Block Group
160  State-Place
170  State-Consolidated City
230  State-Alaska Native Regional Corporation
250  American Indian Area/Alaska Native Area/Hawaiian Home Land
251  American Indian Area-Tribal Subdivision/Remainder
252  American Indian Area/Alaska Native Area (Reservation or Statistical Entity Only)
254  American Indian Area (Off-Reservation Trust Land Only)/Hawaiian Home Land
256  American Indian Area-Tribal Census Tract
258  American Indian Area-Tribal Census Tract-Tribal Block Group
310  Metropolitan Statistical Area/Micropolitan Statistical Area
314  Metropolitan Statistical Area-Metropolitan Division
330  Combined Statistical Area
332  Combined Statistical Area-Metropolitan Statistical Area/Micropolitan Statistical Area
335  Combined New England City and Town Area
337  Combined New England City and Town Area-New England City and Town Area
350  New England City and Town Area
352  New England City and Town Area-State-Principal City
355  New England City and Town Area (NECTA)-NECTA Division
361  State-New England City and Town Area-Principal City
500  State-Congressional District (111th)
610  State-State Legislative District (Upper Chamber)
620  State-State Legislative District (Lower Chamber)
700  State-County-Voting District/Remainder
860  5-Digit ZIP code Tabulation Area
950  State-School District (Elementary)/Remainder
960  State-School District (Secondary)/Remainder
970  State-School District (Unified)/Remainder