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Contact Information

Webmaster:

If you have questions or comments pertaining to the information provided on this Web site or are experiencing technical difficulties, please contact: webmaster_nss@nga.mil.



NGA Customer Help Desk:

The NGA Customer Help Desk is available 24 hours a day, seven days a week, to assist customers with general questions about NGA products and services.

Toll-free: 800-455-0899
Telephone: 314-263-4864
Telefax: 314-263-4875
DSN: 693-4864
DSN Telefax: 693-4875
E-mail: EnterpriseServiceCenter@nga.mil.



Points of Contact:

During normal office hours (0600 to 1500 ET), users can contact the Maritime Safety Office at any of the phone numbers listed below. For after-hours assistance, users should contact the Worldwide Navigation Warning Service watch desk (toll free: 800-362-6289).

Office/ Product Telephone DSN Number E-Mail Address

Maritime Safety Office

571-557-8384

547-8384

Webmaster_NSS@nga.mil

Maritime Safety Information
Web site

571-557-7103

547-7103

Webmaster_NSS@nga.mil

Notice to Mariners
Corrections

571-557-8282

547-8282

MCDNtM@nga.mil

World Wide Navigational
Warning Service

571-557-5455

547-5455

MCDWWNWS@nga.mil

Digital Nautical Chart
(DNC)

571-557-5492

547-5492

MCDDNC@nga.mil

NGA List of Lights

571-557-5410

547-5410

MCDPubs@nga.mil

Digital Nautical Publications - Quarterly Update

571-557-6685

547-6685

MCDPubs@nga.mil

Navigation Publications

571-557-8080

547-8080

MCDPubs@nga.mil

Sailing Directions,
Fleet Guides

571-557-5831

547-5831

MCDPubs@nga.mil

Summary of Corrections

571-557-7103

557-7103

MCDPubs@nga.mil

USCG Light List
Corrections

571-557-7103

547-7103

MCDPubs@nga.mil

Mobile Offshore Drilling Units
(MODU)

571-557-7920

547-7920

MCDMODU@nga.mil

Anti-shipping Activity Messages
(ASAM)

571-557-7920

547-7920

MCDASAM@nga.mil

Fleet Liaison Officer

571-557-1295

547-1295

MCDFLA@nga.mil

Distribution Issues

800-826-0342

695-6500

acctmgr@dla.mil

NGA/DLIS Digital Catalog

877-352-2255

661-7766

DLAContactCenter@dla.mil



Maritime Safety Office Mailing Address:

Maritime Safety Office
MS N64 SFH
National Geospatial-Intelligence Agency
7500 GEOINT Drive
Springfield, VA 22150