6400 or variation, may refer to:
In general A.D. 6400, a year in the 7th millennium CE 6400 BCE, a year in the 7th millennium BC 6400, a number in the 6000 (number) range
Electronics and computing Texas Instruments 6400 series ICs, a variant of the 7400-series integrated circuits IBM 6400 Accounting Machine IBM 6400, a family of printers CDC 6400. a mainframe computer Power Macintosh 6400 personal computer
Rail Bangladesh Railway Class 6400, a diesel locomotive train class GWR 6400 Class, a pannier tank steam locomotive train class NS Class 6400, a class of diesel-electric locomotive train
Other uses 6400 Georgealexander, an asteroid in the Asteroid Belt, the 6400th asteroid registered; see List_of_minor_planets:_6001–7000 6400 (District of Përmet), one of the postal codes in Albania
See also