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*** Important Note About a Change to Our Website *** In the coming weeks NAVCEN will transition to a website with an all-new "look and feel". This upgrade is a large step in our goal to provide more useful, easier-to-access, and streamlined maritime safety data and information. In addition, the site will provide you with greater functionality across all platforms including mobile and desktop devices. For additional information, please follow this link: NAVCEN Website Upgrade Information.
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Mailing Address:

International Maritime Organization
4 Albert Embankment
London SE1 7SR UK

Telephone, fax, and email:

tel: +44 171 735-7611
fax: 587-3210 (general enquiries), 587-3241 (publication sales)
email general equiries:
email publication sales:

IMO Website: