country code, zip code, dial code, area code, city code, long distance
| Country code of UNITED STATES : 1 | Exit code : 011 |
| NDD : 1 | National language English |
| Population of : 331,449,281 | Area 3,796,742 km² |
| Capital: Washington, D.C. | Official GOV. usa.gov |
UNITED STATES