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• December 9, 2025
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Help National Savings & Investments NS&I

You can reset your details using our online form. If you’ve forgotten your password, you can reset it online using your NS&I number and surname. We have dedicated page with advice and tips that should help you through the extra steps involved with two-factor authentication. But, for 2FA to work, it's important that the phone number you have registered with us is up to date.

• You’ll need your phone to hand as you’ll receive an automated call.
• When you log into your NS&I account online, we use two-factor authentication (2FA) to ensure it’s you.
• If two people in your household are using the same device to log in to their individual NS&I accounts , this can cause issues.
• Top tip – It’s useful to have more than one phone number recorded on your account.
• If you’re already registered for our online banking service, you’ll need to log in to change how you receive prizes.
• How to open new accounts and set yourself up.

Top tip – It’s useful to have more than one phone number recorded on your account. The first time we send you a one-time passcode, we’ll also ask you to set up a 6-digit PIN as an extra piece of security. When you receive your passcode, simply enter it on screen and your browser or device will then be marked as ‘trusted’ by us. The easiest way to do this, is to make sure the date and time are set to update automatically on your devices, rather than manually. If two people in your household are using the same device to log in to their individual NS&I accounts , this can cause issues.

Not registered yet?

Our online service is currently unavailable Thank you for your patience. We can pay prizes directly to your bank account or reinvest your prize money into more Bonds – you just let us know the option you prefer. You’ll need your phone to hand as you’ll receive an automated call. Two-factor authentication is time sensitive. If you can, try to use a mobile phone, computer or tablet that allows you to update your browser to the latest version. The device you use and the settings on your device can affect how easy it is for you to log in with two-factor authentication. This means we’ll need to send you a one-time passcode every time you log in. If you use private browsing, we won’t be able to mark your device as ‘trusted’ on our system.

Already registered?

How to open new accounts and set yourself up. Our online forms are currently unavailable You could win big tax-free prizes in our monthly draw. Making your NS&I account safer every day. Our online forms are currently unavailable Thank you for your patience. Update your prize options without creating an account We recommend using Google Chrome version 60 or later on Windows, Android, macOS and iOS to log in to your account. Don’t use private browsing (incognito mode), so we can recognise your device as ‘trusted’ in the future. Let’s explore our top tips for a seamless experience when logging in to your account. Check prizes for the whole family using just your voice. If you need to get in touch about your account, please call us. Our web chat service can only answer general queries.

You're in safe hands

• Work devices often have additional security settings that are managed by your IT department and could prevent you from accessing your account online.
• Still receive Premium Bonds prizes by cheque?
• If you, or someone whose account you look after, need extra support we’re here to help.
• The device you use and the settings on your device can affect how easy it is for you to log in with two-factor authentication.
• We’ll also ask you for your nominated bank account details.
• If you need to get in touch about your account, please call us.

You need your NS&I number to be able to log into your NS&I account online. This extra layer of security keeps your account even safer from fraud. When you log into your NS&I account online, we use two-factor authentication (2FA) to ensure it’s you. You’ll then need to phone us to update your number.

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Old devices sometimes don’t support the latest browser versions or software. If you, or someone whose account you look after, need extra support we're here to help. If you, or someone whose account you look after, need extra support we're here to help Still receive Premium Bonds prizes by cheque? We’ll also ask you for your nominated bank account details. However, there are some things you can do online without needing to be registered. You’ll need your account or holder’s number to hand, as well as the type of account you hold with us. If you’re using a mobile phone or tablet to log in to your account, we suggest checking a few other settings as well. Work devices often have additional security settings that are managed by your IT department and could prevent you from accessing your account online. Think about the device you’re using and device settings, including checking the correct time and date are showing. Registering for our felicebet online banking service is probably the most convenient to manage your NS&I accounts. Find out more about our online and phone service This means you can still receive a one-time passcode if you change one of your numbers. Managing your savings online is quick, easy and safe.