Sector 503 was one of 3600 sectors into which the Guardians of the Universe had divided the universe. Each sector was assigned one, and later two, members of the Green Lantern Corps. History This article is a stub. You can help DC Database by expanding it. See Also Appearances of Sector 503 Location Gallery: Sector 503 Catalogued images related to Sector 503 500 501 502 Green Lantern Sectors 504 505 506 Retrieved from "https://dc.fandom.com/wiki/Sector_503?oldid=2682658" Categories: Pages using DynamicPageList parser function Locations History Section Needed Prime Earth Locations Green Lantern Sectors Sector 503 Community content is available under CC-BY-SA unless otherwise noted.