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  Contact Information
  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 TelephoneDSN
Number
E-Mail Address
 Maritime Safety Office571-557-8384547-8384

Webmaster_NSS@nga.mil

 Maritime Safety Information
 Web site
571-557-7103547-7103

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

 Electrontic Navigation Chart
 (ENC)
571-557-5492 547-5492

MCD_ENC@nga.mil

 NGA List of Lights571-557-5410547-5410

MCDPubs@nga.mil

 Digital Nautical Publications
 Quarterly Update
571-557-6685547-6685

MCDPubs@nga.mil

 Navigation Publications571-557-8080547-8080

MCDPubs@nga.mil

 Sailing Directions,
 Fleet Guides
571-557-5831547-5831

MCDPubs@nga.mil

 Summary of Corrections571-557-7103557-7103

MCDPubs@nga.mil

 USCG Light List
 Corrections
571-557-7103547-7103

MCDPubs@nga.mil

 Mobile Offshore Drilling Units
 (MODU)
571-557-7920547-7920

MCDMODU@nga.mil

 Anti-shipping Activity
 Messages(ASAM)
571-557-7920 547-7920

MCDMODU@nga.mil

 Fleet Liaison Officer571-557-1295547-1295

MCDFLA@nga.mil

 Distribution Issues800-826-0342 695-6500

acctmgr@dla.mil

 NGA/DLIS Digital Catalog877-352-2255661-7766

DLAContactCenter@dla.mil

  
  Maritime Safety Office Mailing Address:


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