1 0001 to 4799 Federally recognized legal American Indian area U.S. Census Bureau 2 4800 to 4989 American Indian Joint-Use Area U.S. Census Bureau 3 5000 to 5499 Hawaiian Home Land U.S. Census Bureau 4 5500 to 5899 Oklahoma Tribal Statistical Area U.S. Census Bureau 5 5900 to 5999 Joint-Use Oklahoma Tribal Statistical Area U.S. Census Bureau 6 6000 to 7999 Alaska Native Village Statistical Area U.S. Census Bureau 7 8000 to 8999 Tribal Designated Statistical Area U.S. Census Bureau 8 9000 to 9499 State recognized legal American Indian area U.S. Census Bureau 9 9500 to 9998 State Designated Tribal Statistical Area U.S. Census Bureau