In an emergency always call 999.
To report non-urgent crime please call your local police on 101. You can also report crime anonymously to Crimestoppers online or by calling 0800 555 111.
For general enquiries or to verify a person as an NCA officer:
Telephone: 0370 496 7622 (available 24/7)
This number is not used for outgoing calls.
The postal address for NCA headquarters is:
Units 1 - 6 Citadel Place,
London SE11 5EF
The NCA will not send unsolicited correspondence to anybody requesting their bank details or money. If you have doubts about the authenticity of a message you have received from the NCA please contact 0370 496 7622. Please note that this number is not used for outgoing calls.
By being vigilant people can prevent a fraud succeeding.
Visit the Action Fraud website for more information on fraud and fraud reporting, including online scams.