6400

6400 or variation, may refer to:

• 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

• 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

• 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

• 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

• All pages with titles beginning with 6400
• All pages with titles containing 6400