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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

During the COVID-19 pandemic, HMNAO staff are likely to be working from home. This may impact on their ability to respond to certain types of queries that involve consulting material held at the UK Hydrographic Office. We apologise in advance for any delays this may cause.

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Last modified: Friday, 26 February 2021 at 15:32:58 GMT