Independent regulator and competition authority
for the UK communications industries


Welcome to the login page for Ofcom’s Number Management System (NMS).

The NMS will allow registered and new communication providers to apply for blocks of number and manage their existing resource.

If you’re a new user or haven’t used the system recently, please refer to the training material found here.

If help or assistance is needed, you can contact Ofcom’s Numbering Team between 9.00am and 5.00pm Monday to Friday (excluding bank holidays) on 020 7981 3000. Alternatively, you can email

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