Non-voting Delegations
- American Samoa
- District of Columbia
- Guam
- Northern Mariana Islands
- Puerto Rico
- United States Virgin Islands
- Southwest Territory, obsolete since statehood as Tennessee June 1, 1796
- Northwest Territory, obsolete since statehood as Ohio March 3, 1803
- Orleans Territory, obsolete since statehood as Louisiana March 3, 1811
- Dakota Territory, obsolete since statehood as North Dakota and South Dakota November 2, 1889
- Philippines, obsolete since independence July 4, 1946
Read more about this topic: List Of United States Congressional Districts