Location: Eastern Coast of USA on the north bank of the Potomac River within the District of Columbia, an area bordering the state of Maryland.
Country Dialing Code: +1
City code: 202
Emergency Numbers: 911- This number that can be dialed for free from any phone (even a pay phone) to obtain assistance .
Telephone Directory services: 411 is the number for directory assistance, though a charge will apply; 1-800-Free-411 is the number for free.
Directory assistance (though callers will listen to ads).
Languages spoken: English
Time Zones: GMT/UTC -5 (Eastern Time) Washington DC observes Daylight Saving Time, April – October.
Average January Temperature: -4 º C
Average July Temperature: 30 º C
Annual Rainfall: 110 mm
Electrical Plugs: 120 volts, 60Hz. Plugs are mainly the two, flat-pin type, though three-pin plugs are also widely used. European appliances without dual-voltage capabilities will require an adapter, which can be purchased in most major
Weights & Measures: Imperial
Currency: US Dollar, Code: USD, Symbol: US $, currently, 1US $ = 3.673 UAE dirhams