Nebraska; Colorado, Montana, North Dakota, South Dakota (until 1861); Wyoming (until 1863)
1861-1876
Colorado
1861-1889
North Dakota & South Dakota; Montana (until 1863); Wyoming (until 1868).
1861-1864
Nevada
1864-1890
Idaho; Montana (until 1864): Wyoming (until 1868)
1864-1912
Arizona
1865-1889
Montana
1869-1890
Wyoming
1871-1875
District of Columbia
1890-1907
Oklahoma
1900-1959
Hawaii; Johnston Atoll (until 1934)
1901-Present
Puerto Rico
1906-1959
Alaska
1907-1946
Philippines
1970-Present
District of Columbia
1970-Present
Guam
1970-Present
U.S. Virgin Islands
1978-Present
American Samoa
2009-Present
Northern Mariana Islands
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