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We aim to answer your enquiry within ten working days. However, the more specific and precise your enquiry - the quicker we hope to be able to answer it.

By email

All emails must include a contact telephone number and also a return postal address or fax number.

This is because some data may not be in a format that can be easily emailed. Supplying a telephone number will also ensure that we can contact you quickly, should we need to clarify any aspect of your enquiry.

If your enquiry is about National Statistics, or you have any comments about the design or working of this website please email

Email enquiries will be handled in accordance with the Freedom of Information Act 2000.

We welcome correspondence in Welsh.

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By telephone and fax

Telephone: +44 (0)845 601 3034

Telephone: +44 (0)1633 812399 ONS Minicom (for the hearing impaired).

Fax: +44 (0)1633 652747

Our standard opening times are Monday to Friday 9am to 5pm (excluding UK Public and Bank Holidays).

Please note: calls may be monitored for training purposes.

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By letter

Please write to:

Customer Contact Centre
Office for National Statistics
Room 1.015
Government Buildings
Cardiff Road
NP10 8XG

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Media enquiries

For media enquiries:

Telephone: +44 (0) 845 604 1858


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Personal visitors

Please make an appointment to visit the library in Newport. Learn more about the ONS Library Service.

The Office for National Statistics has sites in Newport, London and Titchfield:

ONS Office Location Maps

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