Fast Facts in Boston
Population: city - 590,763; urban - 4,313,000; metro - 4,455,217
Time Zone: UTC-5
Currency Name: US dollar (USD)
Major airport name (code) cities: Logan International Airport (BOS)
Languages: English
Phone City Code(s): 617, 857
Official Tourism Website: http://www.bostonusa.com/
High Travel Season: June - August
Voltage: 120 V - 60 Hz
Electrical Plug Type: a, b
Misc Fact / Good to Know: Boston built the first subway system in the United States in 1897.