21700

21700 may refer to:


 * 21,700 (number)
 * 21700 (year)

Places

 * 21700 Caseynicole (1999 RD72), a Mars-crossing asteroid, the 21700th asteroid registered
 * Jalapa, Baja California, Mexico (postal code: 21700)
 * Lice, Turkey (postal code: 21700)
 * La Palma del Condado (postal code: 21700), Huevla, Spain
 * 21700. a postal code in Côte-d'Or, Bourgogne-Franche-Comté, France; used for several communes, see Communes of the Côte-d'Or department

Other uses

 * 21700 battery, a cylindrical battery cell form factor for rechargeable lithium-ion batteries
 * U+2170x (Unicode character block), see List of CJK Unified Ideographs Extension B (Part 2 of 7)