How to Correct Wrong Phone Number on CAC: Your Complete Step-by-Step Guide for 2026

By Aisha Bello in CAC Corrections on June 19, 2026
Home » CAC Corrections » How to Correct Wrong Phone Number on CAC: Your Complete Step-by-Step Guide for 2026
Last Updated: July 12, 2026⏱️ 17 Min Read
How to Correct Wrong Phone Number on CAC: Your Complete Step-by-Step Guide for 2026

Why Having the Right Phone Number on Your CAC Record Matters

You know, for any business operating in Nigeria, getting your company registered with the Corporate Affairs Commission (CAC) is a big deal. It makes your business official. But you see, sometimes, simple things like your phone number can be entered wrongly during registration, or maybe you just changed your number. People often ask me, “Abeg, why is this phone number thing such a big deal for CAC?” Well, let me tell you, it’s very important.

Pro Tip: When filing annual returns, double-check all dates and figures before submitting.

Your phone number is usually the first point of contact between the CAC and your business. It’s how they send you important notifications, updates about your registration, or even security codes (OTP) if you’re trying to log in or make changes on their portal. Imagine if they need to send you an important notice about your annual returns or a query about your company’s status, and the number they have is wrong. You might miss crucial information that could lead to penalties or even your company being struck off the register. In my experience, neglecting to update this kind of detail can cause serious headaches down the line.

Also, for many business owners, their CAC details are what their banks use for verification, or what other government agencies check. If your bank tries to confirm something with CAC and the details don’t match, or they can’t reach you, it can cause delays in your banking transactions. For a thriving business, delays are money lost, you know?

Understanding the CAC Portal and Correction Process

The Corporate Affairs Commission has really pushed for everything to be done online now. This means if you want to correct a wrong phone number on your CAC registration, your main way to do it will be through their Company Registration Portal (CRP). Gone are the days when you’d mostly be trooping to their offices. Now, it’s all about navigating the digital space.

When I first started interacting with the CAC portal for various corrections, I observed that their system is designed to be self-service for many simple updates. However, it requires careful attention to detail. You can’t just type a new number and expect it to automatically change without some verification. They want to make sure it’s the real owner making the change, to prevent fraud.

The process typically involves logging into your account, finding your registered entity, and then initiating an application for a post-incorporation change. This change, in CAC terms, is often referred to as a “Form CAC/BN/IT/FBN 7” amendment or a general “Alteration of Memorandum and Articles of Association” where applicable for companies, or just an update for business names. However, for a simple phone number, it’s usually less complex than a full alteration of M&A.

Online Correction: A Step-by-Step Guide

Let me walk you through how you would typically correct your phone number on the CAC portal. This is based on my practical experience with the system.

  1. Log in to the CAC Company Registration Portal (CRP):
    • Go to the official CAC website. You will find the link to the CRP there.
    • Use your accredited user ID and password to log in. If you are not an accredited agent, you will use the ID and password associated with the company’s registration. Remember, sometimes, the person who registered your business (a lawyer or chartered accountant) might be the one with direct access to the portal for your company.
  2. Access Your Entity Dashboard:
    • Once you log in, you will see your dashboard. This is where all the entities (companies, business names, or incorporated trustees) you are linked to are listed.
    • Locate the specific entity whose phone number you want to correct. Click on it.
  3. Initiate a Post-Incorporation Filing:
    • On the entity’s page, look for options like “Post-Incorporation Filing,” “Change of Information,” or “Amendments.” The exact wording might change a bit over time as the portal updates.
    • Click on the relevant option. You will then be prompted to select the type of change you want to make. You’re looking for something related to “Change of Particulars” or “Alteration of Contact Information.”
  4. Select the Relevant Form:
    • For changes to contact details, especially for companies, it often falls under a general alteration. For business names, it might be a simpler “Change of Particulars.”
    • You will need to identify the specific section where the phone number is recorded. This could be in the director’s details, secretary’s details, or the company’s registered address/contact section.
  5. Edit the Phone Number:
    • Navigate to the field where the wrong phone number is displayed.
    • Carefully input the correct new phone number. Double-check it! I always tell people to check three times before saving anything, because a small mistake here can cause more delays.
    • Make sure the format is correct. Often, they want the Nigerian format starting with ‘0’ or ‘+234’.
  6. Attach Supporting Documents (If Required):
    • Depending on the nature of the change and if the phone number is linked to a specific director or secretary, CAC might ask for supporting documents. This could be things like:
      • An affidavit from the director/secretary confirming the change.
      • A formal letter from the company on its letterhead, signed by a director/secretary.
      • Proof of identity for the person whose number is being changed (e.g., National ID Card, Driver’s License, International Passport).
    • Upload these documents as required. Ensure they are clear and in the specified format (usually PDF).
  7. Review and Submit:
    • Before you click “Submit,” take a moment to review all the information you have entered. Check the new phone number again. Check the company name, RC number, and every other detail to be sure there are no new errors.
    • Once you are satisfied, proceed to payment (if there’s a fee for this type of alteration).
    • Submit your application.
  8. Monitor Your Application Status:
    • After submission, you will get an application ID. Keep this number safe.
    • Regularly log back into the portal to check the status of your application. CAC processes applications, and sometimes they send queries if something is not clear or if a document is missing.
    • Respond promptly to any queries from CAC to avoid unnecessary delays. From my experience, prompt responses make the whole process faster.

Documents You Might Need

You know, the CAC is very particular about documentation. To correct your phone number, even though it seems like a small thing, they might ask for certain documents to authenticate the request. Here are some common ones I have seen them request:

Here’s a quick overview of what you should typically prepare:

Document Type Purpose Notes
Company Board Resolution Formal approval by company directors for the change. Required for Limited Liability Companies. Must be signed.
Affidavit of Correction Legal declaration confirming the error and new number. Sworn before a Commissioner for Oaths. Explains the change.
Valid Means of ID Verification of identity for director/secretary. National ID, Driver’s License, International Passport. Ensure clarity.
Application Letter Formal request on company letterhead. Not always mandatory but good to have. Addressed to Registrar-General.
CAC Portal User Login Details Access to initiate and track the application. Essential for online process. Keep secure.

Importance of Accurate Information on CAC Records

You see, in the world of business, integrity and accuracy are key. Having correct and up-to-date information with the CAC is not just about following rules; it’s about making sure your business can run smoothly and efficiently.

When your phone number is correct, it means:

From my years of observing businesses, those that maintain accurate records tend to face fewer bureaucratic hurdles and operate with greater confidence. It builds trust, both with regulators and with business partners.

Common Challenges and Useful Tips

Even with the online system, correcting your phone number on CAC can sometimes come with its own set of challenges. I have seen many people face these, so let me share some tips.

Common Challenges:

Useful Tips to Make It Easier:

  1. Use an Accredited Agent: If you are not comfortable navigating the portal yourself, consider using a CAC-accredited agent (like a lawyer or chartered accountant). They have experience with the system and can often get things done faster and with fewer errors. You can find accredited agents on the official CAC website.
  2. Prepare Documents Meticulously: Before you even start the online process, gather all your required documents. Ensure they are clear, properly scanned, and in the correct file format (usually PDF, under a certain size limit).
  3. Double-Check Everything: As I mentioned before, always double, even triple, check all information entered, especially the new phone number. A small typo can cause big problems.
  4. Save Your Progress: If the portal allows, save your progress frequently, especially if you are dealing with a slow internet connection or a complex application.
  5. Keep Records: Print out or save screenshots of your application details, payment receipts, and application ID. These are important for tracking and any future queries.
  6. Be Patient and Persistent: Government processes can take time. Follow up on your application status regularly, and respond to queries immediately.
  7. Verify Login Details: Ensure you have the correct and active login details for the CAC portal. If you’ve lost them, initiate a password reset well in advance.

Remember, getting this simple detail right can save you from a lot of stress. At BusinessPortal, we always advocate for diligent record-keeping and proactive engagement with regulatory bodies like the CAC.

Frequently Asked Questions (FAQs)

1. Is it compulsory to correct my phone number on CAC?

Yes, it is very important to have your correct phone number on your CAC records. It ensures you receive important communications, updates, and security codes from the CAC, helping your business remain compliant and operational.

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2. How long does it take for the phone number change to reflect?

The processing time can vary. Typically, if all documents are correctly submitted and there are no queries, it might take a few days to a few weeks. However, in my experience, it’s best to allow for up to two to four weeks, just in case of delays or queries from CAC.

3. Is there a fee to change my phone number on CAC?

Yes, usually there is a statutory fee associated with post-incorporation filings, which includes changes to company particulars. The exact fee can change, so it’s best to check the CAC portal or consult an accredited agent for the current fee structure.

4. What if I don’t have access to the old phone number to receive OTPs?

This is a common challenge. If your old number is linked to OTPs and you no longer have access to it, you might need to go through a more involved process to prove your identity and regain access to your account or initiate the change. In such cases, contacting CAC directly via their support channels or using an accredited agent becomes crucial.

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5. Can I change other company details at the same time as my phone number?

Yes, often when you initiate a post-incorporation change, you can update multiple particulars at once, such as address, directors’ details, or company secretary. However, each change might require specific supporting documents and potentially incur additional fees.

Pro Tip: Make sure all directors and shareholders have their valid means of ID ready (e.g., NIN, Driver’s License).

6. Do I need a lawyer to correct my phone number?

While you can attempt to do it yourself if you have access to the CAC portal and are comfortable with online applications, many people prefer to use an accredited lawyer or chartered accountant. They are familiar with the process and can help ensure everything is done correctly, reducing the chances of errors and delays.

7. What documents are absolutely essential for this change?

The most essential documents usually include an affidavit of correction (explaining the change), a board resolution (for companies), and a valid means of identification for the director or secretary whose number is being updated. Always check the specific requirements on the CAC portal for the most up-to-date list.

Related CAC Corrections: How to Correct Wrong Director Information on CAC: Your Full Step-by-Step Guide for 2026 Success

8. What happens if I submit wrong documents or incomplete information?

If you submit wrong or incomplete documents, CAC will issue a query on your application. This means your application will be put on hold until you respond to the query and provide the correct information. This will definitely prolong the process.

9. How can I track the status of my application after submission?

After submitting your application on the CAC portal, you will be provided with an application ID or reference number. You can use this ID to log back into the portal and check the real-time status of your application under your dashboard or a specific tracking section.

10. Is it possible to reverse a phone number change if I made a mistake again?

Yes, it is possible, but it would require initiating a new correction application. This means going through the entire process again, including fees and document submissions, to correct the new error. So, it is highly advisable to double-check all details thoroughly before final submission.

Frequently Asked Question

Does CAC registration automatically register my business for tax?
No, CAC registration gives your business legal identity. You still need to register for tax (TIN, PAYE, VAT) separately with the Federal Inland Revenue Service (FIRS).

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Written by Aisha Bello

Aisha Bello is a certified industry expert with years of hands-on experience helping businesses scale, optimize, and succeed. Our content is rigorously researched and fact-checked to ensure the highest standards of accuracy and trustworthiness.

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