Common Name: DC

Population: 599,657

Predominant Religions: Christian, Jewish, and many others represented

Languages: English, but you'll hear many foreign languages

Telephone Codes: 202, area code for Washington, D.C.; 703, Virginia suburbs; 301, Maryland suburbs; many cell phones have a 571 area code

Time Zone:: Eastern Standard Time, 5 hours behind Greenwich Mean Time (-5 GMT)