REEF uses a hierarchical 8-digit code system for survey site locations. Each geographic area has its own set of codes. When completing a survey, you need to know the complete 8-digit code for the site you surveyed.

If the site that you surveyed is not currently on our list, then please email zonecode@REEF.org to request a new code to be assigned. Please provide the site name, general location, and ideally the latitude and longitude.

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See a list of all locations within this region
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Region: SOP
Zone: Line Islands

ZoneZone Code listGeographic ReportNameHave Coordinates?
21Zone Code listGeographic ReportSouthern Line Islands
2101Zone Code listGeographic ReportCaroline Island
2102Zone Code listGeographic ReportVostok Island
2103Zone Code listGeographic ReportFlint Island
22Zone Code listGeographic ReportCentral Line Islands
2201Zone Code listGeographic ReportJarvis Island
2202Zone Code listGeographic ReportMalden Island
2203Zone Code listGeographic ReportFilippo Reef
2204Zone Code listGeographic ReportStarbuck Island
23Zone Code listGeographic ReportNorthern Line Islands
2301Zone Code listGeographic ReportKiritimati / Christmas Island
2302Zone Code listGeographic ReportTabuaeran
2303Zone Code listGeographic ReportTeraina