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Contact us

Just before you get in touch...

The links below might answer your query.

By phone

Our helpline is open from 8.30am to 5.30pm, Monday to Friday.

General public enquiries:

  • Please call us on 08456 05 05 05
  • From outside Britain, please call us on +44 8456 05 05 05

OpenData enquiries:

  • Please call us on 08454 08 18 95
  • From outside Britain, please call us on +44 8454 08 18 95
  • Textphone: 023 8005 6146 (deaf and hard of hearing customers using a textphone only, please)

By email

For general enquiries, complaints, feedback or suggestions, please complete our online contact form. Alternatively, please email customerservices@ordnancesurvey.co.uk

For enquiries, complaints, feedback or suggestions about OS OpenData, please email opendata@ordnancesurvey.co.uk

By letter  

Drop us a line at the following address:

Customer Service Centre
Ordnance Survey
Adanac Drive
Southampton
SO16 0AS

By fax

Send us a fax message on 0845 0990 494. If you're calling from outside Britain, the number is +44 (0)845 0990 494.


Coming to visit? 

We are unfortunately unable to offer face to face customer service for visitors with enquiries. If you have a general enquiry, this needs to be made either via phone, e-mail, letter or fax.

If you are visiting us for a planned meeting or conference, please use our 'how to find us' page


Mapping for civil emergencies

If mapping is required for a major civil emergency,  phone 08456 05 05 05.

All of your requirements can be met with our 24-hour service.


Making a complaint

We appreciate that sometimes things go wrong and you will want to make a complaint.

For general enquiries, complaints, feedback or suggestions, email: customerservices@ordnancesurvey.co.uk or call us on 08456 05 05 05