How to Link Your NIN to Keystone Bank: A Step-by-Step Guide

How to Link Your NIN to Keystone Bank. Learn how to easily link your NIN to your Keystone Bank account to avoid restrictions. Follow our simple guide using online methods, USSD code, or by visiting a branch.


The Central Bank of Nigeria (CBN) mandates that all Nigerian bank account holders must link their National Identification Number (NIN) for enhanced security. If you’re a Keystone Bank customer, it’s crucial to connect your NIN to your account before the March 1st, 2024 deadline to avoid restrictions.

Read also: NIN-MTN Linking: Everything You Need to Know.

This guide will walk you through several simple ways to complete this process.

Why is My Keystone Bank Account Restricted?

If your Keystone Bank account is restricted, the likely reason is that you haven’t linked your NIN.


Linking your NIN is a regulatory requirement, and failing to do so could result in limitations on your account.

Documents Required for Linking Your NIN to Your Keystone Bank Account

  • Your National Identification Number (NIN) slip
  • Your Keystone Bank account number
  • Your Bank Verification Number (BVN)

Read also: How to Generate a Virtual NIN (vNIN) for Bank Account Linking.

How to Link Your NIN to Your Keystone Bank Account

Here are the different methods you can use:

1. Visit a Keystone Bank Branch

  • Go to your nearest Keystone Bank branch with the required documents.
  • Approach customer service and request to link your NIN.
  • Provide your details for verification.
  • You may receive a confirmation SMS or email.

2. Link NIN on the Keystone Website

  • Visit the Keystone Bank’s official website –
  • Find the NIN/BVN linking section.
  • Input your account details and tick the terms and conditions.
  • An OTP will be sent to your registered email.
  • Enter the OTP and submit your request.
  • Upload a copy of your NIN document, tick the acceptance box, and submit

3. Use the Keystone USSD Code

  • Dial *737*20*BVN# (Ensure you use your registered Keystone phone number).
  • Follow the prompts to link your NIN.

Read also: NIMC Enrolment Centres in Nigeria.

Can I Link My BVN to My Account by Myself?

Yes! You can link your BVN through the Keystone USSD code or via their Internet banking platform.

Here’s how:

  • Keystone USSD Code: Dial *737*20*BVN# (use your Keystone-registered phone number).
  • Keystone Internet Banking: Log into your Internet banking and locate the BVN/NIN update section.


Linking your NIN to your Keystone Bank account is essential for compliance and security. Follow these easy methods to avoid account restrictions and enjoy uninterrupted banking services.