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HM Nautical Almanac Office: Contacts


The staff of HM Nautical Almanac Office are:

Contacting the Office

If you have any enquiries about the services of HMNAO, please contact us by e-mail or by telephone and fax at the numbers given below or by writing to us at the address given below:

  • By e-mail:
  • By telephone (Taunton):
  • By post:
  • +44 (0)1823 484444 (via UKHO Customer Services)
  • HM Nautical Almanac Office
  • UK Hydrographic Office
  • Admiralty Way
  • Taunton, TA1 2DN
  • United Kingdom

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Last modified: Monday, 01 October 2018 at 12:58:34 BST