If you are talking about the District of Columbia also known as Washington DC it is not officially considered a State and if your talking about Columbia itself, it is a foreign country that the United States has no control over.
Columbia is capital and largest city of US State South Carolina.
Columbia is the capital of the US state of South Carolina.
The U.S. state with the capital of Columbia is South Carolina.
District of Columbia
Washington, District of Columbia.
Washington DC, it is the District of Columbia and is not in any state.
Northwest US. Divides Washington state and Oregon state.
The state south of British Columbia is Washington. Parts of Alaska are also south of British Columbia.
Washington D.C (District of Columbia)
Washington, District of Columbia
It is Alaska.
Washington DC (district of Columbia)