26-00

2600 may refer to:2600 hertz, the audio tone used in phreaking to gain control of telephone networks 2600: The Hacker Quarterly, a magazine named after the aforementioned 2,600 Hz tone Atari 2600 video game console ATI's Radeon R600 Radeon HD 2xxx series graphics card ARP 2600 analog synthesizer Alfa Romeo 2600, an executive car Nokia 2600, a mobile phone released in 2004 Nokia 2600 classic, a mobile phone released in 2008 The last year of the 26th century The number 2600 RTM build number of Microsoft's Windows XP operating system