604 is the debut studio album by English electronic music band Ladytron, released in the United States on 6 February 2001 by Emperor Norton Records and in the United Kingdom on 12 March 2001 by Invicta Hi-Fi.

On 20 July 2004, 604 was reissued in the US with four bonus tracks, the first three being live recordings made on 16 May 2003 at the Central Military Club in Sofia, Bulgaria.

[6] In a 2002 interview with online magazine Chaos Control, Daniel Hunt stated that the album was named after the area code for British Columbia.

The song was recorded for £50,[20] and features guest vocals from Lisa Eriksson of San Francisco-based electronic duo Techno Squirrels.

[25] The single's B-side, "Holiday 601", was included on Ladytron's second studio album, Light & Magic, retitled "NuHorizons".