Airtel is one of the best cellular networks in India. It offers multiple services to users, including mobile, broadband, and digital services. It comes with multiple Airtel MMI Codes which allow you to check all the data plan validity, main balance and others without an internet connection.
All the services are free with Airtel MMI Codes. You just need to put some codes on the dial pad, and your desired inquiry will be displayed on the phone’s screen.
This works both on prepaid and post-paid numbers. We’re going to give you a detailed guide on this topic. So, you need to go through this entire article until the end.
What is the Airtel MMI Code?
MMI stands for Man-Machine Interface; It’s a short code that comes with (* and #). If you like to check the plan details and validity, then nothing could be better than using USSD or MMI codes on your phone for free. These are all simple codes; you need to put those codes on the dial pad.
In case you would like to check the main balance, data usage, validity, SMS balance, and many other things without any technical hindrances. All these MMI codes could be different for Prepaid and Postpaid users. We’ll enlist all those codes in this article.
Updated Airtel MMI Code List for 2025-2026
As an Airtel user, you can get access to multiple MMI codes. These codes are very beneficial and help you get all your mobile’s balance details with a click. Yes, these codes are pretty handy to use. Just dial those codes from your registered phone number, and all things will be automatically done by your system.
| Service / Info | Airtel Code |
|---|---|
| Data / Internet Usage | 1212# / 12310# |
| Loan (Talktime / Data) | *141# |
| SMS Balance Check | 1217# |
| Main Balance Check | *123# |
| Recharge Information | 1213# |
| Last 5 Transactions / Deductions | 1217# |
| DND (Do Not Disturb) Activation | 1214# |
| Caller Tune Activation | *678# |
| Caller Tune Deactivation | 1215# |
Both prepaid and post-paid users can use these free codes on their phones. Well, sometimes it may be different depending on some regions.
Step-by-Step Guide to Use Airtel MMI Codes
If you like to use Airtel MMI Codes effectively, then you can follow these steps. All these steps will ensure you get your desired query on your phone’s screen.
Step 1: First of all, check whether your Airtel SIM is active or not.
Step 2: If it’s active, then check the network strength; otherwise, the USSD code could show an Error.
Step 3: Now, open the dial pad of your phone.
Step 4: Now, you need to put the exact number we have provided on the list according to your queries.
Step 5: Then, you need to press the Green Call Button.
Step 6: A pop-up message will appear on the display
These are the steps you need to follow to get any of your balance details. Now, you can save or screenshot any of your desirable data.
Airtel MMI Codes: Prepaid vs Post-paid Users
Airtel MMI Codes are designed to serve both the prepaid and post-paid users. But sometimes these codes could be different according to the users. We’re going to provide you with some methods that allow you to check all the details for free.
Prepaid Numbers: As a prepaid user, you need to check your balance, data pack validity, active plan, SMS plan and others. So, you need to call *123# for the main balance, 1212# for data, and *141# for talk time. Then the reply will show all the details you wished to know.
Post-paid Numbers: For post-paid users, MMI Codes allow getting details on the outstanding bills, current bills and the recent bill cycle. By dialling *121#, all the postpaid customers can view their account summary without any technical issues.
Alternative Methods of Airtel MMI Codes
The Airtel MMI Code method is pretty simple and convenient. But many users like to explore alternative methods as well. We’ll enlist all those alternative methods right below.
Use Airtel Thanks App: With the Airtel Thanks App, you can get all the details, including the main balance, active plan, validity ,and recharge history for free. In case you like to do the bill payment and other tasks, then you can do it with a few clicks.
Customer Care: Call the customer care executive on 198 or 121. There you can ask your query, and the executive will inform all the things in details.
Send an SMS: Just write an SMS ”BAL” and send it to 121. And, the reply will come with all your desired details of your balance or plan.
You can use these alternative methods of MMI codes to check balance and plan validity for free.
Common Problems with Airtel MMI Codes & Solutions
Users often face multiple issues while using these Airtel MMI codes. We’ll list those issues and provide you with a proper solution.
- Problem: Invalid MMI Code.
- Solution: Go to a strong network coverage area and try again. If the problem is not solved, then restart your phone or turn on/Off Aeroplane Mode.
- Problem: Dual SIM Conflict
- Solution: You need to select an Airtel SIM as the preferred SIM to call and send SMS. This thing will definitely solve your problem.
- Problem: Unstable Network Connection
- Solution: You need to move to an area with better coverage strength.
Most MMI code works without any issues. If you face any critical issues, then call to Customer care service.
- Airtel MMI Codes 2025: Check Balance, Data, Offers & Services (Update)
- Airtel Data Loan Code 2025 – 1 GB Data loan 5G
FAQs
1. Are Airtel MMI Codes Free to Use?
=> Yes, it’s a free service.
2. Do both Prepaid and post-paid users use these Codes?
=> Yes, these codes are for all users.
3. What should I do if it does not work on my Phone?
=> Restart your phone.
Conclusion
Airtel MMI Codes are the best way to check the balance validity within a second. If it does not work for you, then you can use alternative methods as well. We have provided you with a detailed guide on this topic.
You can reach us if you have any issues via comment. Thanks for reading!
Anurag Singh is a blogger and digital content creator who specializes in micro-niche websites, SEO strategies, and educational content. He enjoys turning complex topics into simple, practical guides for students and professionals.