Practical information Washington D.C. United States (6252001)
| Continent | North America |
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| Country | United States |
| Area | 9,629,091 km2 |
| Population | 310,232,863 people |
| Extension of domain names | .us |
| Currency | Dollar (USD) |
| Dialing code | 1 |
| Languages spoken | English, Spanish, Hausa, Français |
| Countries close | CA,MX,CU |
| ISO country code | US |
| ISO country code (3) | USA |
| FIPS Code 10-4 | US |
| GEONAME ID | 6252001 |
| Other names | Ouasinkton, Vashington, Vasingtonas, Vasingtonia, Vašingtonas, WAS, Washington, Washington D. C., Washington D.C., Washington DC, Waszyngton, wosingteon D.C., Ουάσιγκτον, Вашингтон, 워싱턴 D.C. |
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