- Source: 221 (disambiguation)
221 may refer to:
In time:
The year:
221 AD
221 BC
In mathematics:
221 (number)
In geography:
Roads:
U.S. Route 221 in Virginia
In astronomy:
221 Eos, a main-belt asteroid
In transportation:
Aircraft:
The Boeing 221 mail plane
Rail:
221 series, a type of train in Japan
In weapons:
Firearms:
The .221 Remington Fireball pistol cartridge
In fiction:
221B Baker Street, the address of Sherlock Holmes
Experiment 221, the codename for Sparky, a fictional alien character in the Lilo & Stitch franchise
See also
Two to One (1978 album), album by Thelma Houston