WordNet (r) 3.0 (2006):

Charlestown
    n 1: a former town and present-day neighborhood of Boston;
         settled in 1629

U.S. Gazetteer Places (2000):

Charlestown, NH -- U.S. Census Designated Place in New Hampshire
   Population (2000):    1145
   Housing Units (2000): 503
   Land area (2000):     0.843420 sq. miles (2.184447 sq. km)
   Water area (2000):    0.038722 sq. miles (0.100289 sq. km)
   Total area (2000):    0.882142 sq. miles (2.284736 sq. km)
   FIPS code:            11300
   Located within:       New Hampshire (NH), FIPS 33
   Location:             43.235963 N, 72.422891 W
   ZIP Codes (1990):     03603
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Charlestown, NH
    Charlestown


U.S. Gazetteer Places (2000):

Charlestown, IN -- U.S. city in Indiana
   Population (2000):    5993
   Housing Units (2000): 2489
   Land area (2000):     2.331917 sq. miles (6.039637 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    2.331917 sq. miles (6.039637 sq. km)
   FIPS code:            12124
   Located within:       Indiana (IN), FIPS 18
   Location:             38.451984 N, 85.667224 W
   ZIP Codes (1990):     47111
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Charlestown, IN
    Charlestown


U.S. Gazetteer Places (2000):

Charlestown, MD -- U.S. town in Maryland
   Population (2000):    1019
   Housing Units (2000): 451
   Land area (2000):     0.905974 sq. miles (2.346463 sq. km)
   Water area (2000):    0.320460 sq. miles (0.829987 sq. km)
   Total area (2000):    1.226434 sq. miles (3.176450 sq. km)
   FIPS code:            15400
   Located within:       Maryland (MD), FIPS 24
   Location:             39.576617 N, 75.977888 W
   ZIP Codes (1990):     21914
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Charlestown, MD
    Charlestown