How To Check Your SIM Card Number (Telkomsel, Indosat, XL)

Nov 8, 2025 by Admin 59 views

Figuring out your own SIM card number can sometimes feel like a mission impossible, right? Whether you've just gotten a new SIM, forgotten the number, or need it for some important registration, knowing how to check your number is super handy. This guide will walk you through the steps for checking your SIM card number for the three major providers in Indonesia: Telkomsel, Indosat Ooredoo, and XL Axiata. Let's dive in, guys!

Why You Need to Know Your SIM Card Number

Before we jump into the "how," let's quickly touch on the "why." Knowing your SIM card number is crucial for several reasons:

Registration: In Indonesia, you need to register your SIM card with your NIK (Nomor Induk Kependudukan) and KK (Kartu Keluarga) numbers. This registration process requires you to know your mobile number.
Account Recovery: If you ever get locked out of your online accounts (like social media, email, or banking apps), your phone number is often used for verification and recovery.
Sharing with Friends: Obvious, but still important! How else will people call or text you?
Customer Service: When contacting customer service for your mobile provider, they'll often ask for your number to verify your identity and account details.

So, with that covered, let's get to the good stuff: how to actually check your number!

Checking Your Telkomsel Number

Telkomsel, being one of the largest providers, offers several ways to check your number. Here’s a breakdown:

1. Via USSD Code

This is the most common and arguably the easiest method. USSD (Unstructured Supplementary Service Data) codes are quick commands you can dial directly from your phone's dialer.

How to do it: Open your phone's dialer and dial *808#. Press the call button. A pop-up menu will appear, usually displaying your number directly. In some cases, it might show a menu with options; if it does, look for an option like "Check Number" or something similar. Follow the on-screen instructions.
Why it works: This USSD code is specifically designed for Telkomsel users to access account information, including their phone number. It's fast, free, and works on virtually any phone.
Troubleshooting: If *808# doesn't work, try *999# and follow the prompts. Sometimes Telkomsel updates these codes, so it’s always good to have a backup.

2. Using the MyTelkomsel App

If you’re a smartphone user, the MyTelkomsel app is your best friend. It provides a wealth of information about your account, including your phone number, data usage, and available packages.

How to do it: Download and install the MyTelkomsel app from the Google Play Store (for Android) or the App Store (for iOS). Open the app and log in using your Telkomsel number. If you haven’t registered yet, you’ll need to create an account. Once logged in, your phone number is typically displayed on the main dashboard or profile section.
Why it works: The app is directly linked to your Telkomsel account, so it always has the most up-to-date information. Plus, you can manage your account, buy data packages, and access customer support all in one place.
Troubleshooting: If you can’t log in, make sure you have an active internet connection. If you’ve forgotten your password, use the password recovery option. If the app is not displaying your number, try updating it to the latest version.

3. Contacting Telkomsel Customer Service

If all else fails, you can always contact Telkomsel's customer service. They can help you retrieve your number and answer any other questions you might have.

How to do it: Call 188 from your Telkomsel number. You’ll be connected to a customer service representative who can assist you. Be prepared to provide some personal information to verify your identity.
Why it works: Customer service agents have access to your account details and can quickly provide you with your phone number. However, this method might take a bit longer than the USSD code or app methods.
Troubleshooting: Be patient when waiting to speak to a representative. Have your NIK and KK numbers ready, as they may ask for them to verify your identity.

Checking Your Indosat Ooredoo Number

For those using Indosat Ooredoo (now Indosat Hutchison 3 Indonesia), here’s how you can find your number:

1. Via USSD Code

Like Telkomsel, Indosat also uses USSD codes for quick access to account information.

How to do it: Open your phone's dialer and dial 12330#. Press the call button. Your Indosat number should appear in a pop-up message.
Why it works: This code is specifically designed for Indosat users to check their number. It’s a simple and efficient method.
Troubleshooting: If the code doesn’t work, try 123721# or *888#. These are alternative codes that may work depending on your specific Indosat plan or region.

2. Using the myIM3 App

The myIM3 app is Indosat’s official app for managing your account. It’s available for both Android and iOS devices.

How to do it: Download and install the myIM3 app from the Google Play Store or App Store. Open the app and log in using your Indosat number. Your number is usually displayed on the main dashboard or profile page.
Why it works: The app provides real-time access to your account information, including your phone number, data balance, and active packages.
Troubleshooting: Ensure you have a stable internet connection. If you can’t log in, use the password recovery option. Keep the app updated to avoid any glitches.

3. Contacting Indosat Customer Service

If you’re having trouble with the USSD code or the app, you can contact Indosat's customer service for assistance.

How to do it: Call 185 from your Indosat number. You’ll be connected to a customer service representative. Be ready to provide some personal information for verification.
Why it works: Customer service agents have direct access to your account details and can quickly provide your phone number.
Troubleshooting: Be patient while waiting for a representative. Have your NIK and KK numbers handy for verification purposes.

Checking Your XL Axiata Number

For XL Axiata users, here are the methods to check your SIM card number:

1. Via USSD Code

XL also relies on USSD codes for easy access to account information.

How to do it: Open your phone's dialer and dial 123711#. Press the call button. Your XL number should appear in a pop-up message.
Why it works: This is a dedicated USSD code for XL users to check their number quickly.
Troubleshooting: If the code doesn’t work, try 12310#. Sometimes, XL updates these codes, so having alternatives is useful.

2. Using the MyXL App

The MyXL app is your go-to for managing your XL account on your smartphone.

How to do it: Download and install the MyXL app from the Google Play Store or App Store. Open the app and log in using your XL number. Your number should be displayed on the main screen or profile section.
Why it works: The app provides comprehensive account management features, including checking your number, data usage, and purchasing new packages.
Troubleshooting: Ensure you have a stable internet connection. If you have trouble logging in, use the password recovery option. Keep the app updated to the latest version.

3. Contacting XL Customer Service

If you’re still unable to find your number, contacting XL's customer service is a reliable option.

How to do it: Call 817 from your XL number. You’ll be connected to a customer service representative who can assist you. Have some personal information ready for verification.
Why it works: Customer service agents can access your account details and provide you with your phone number quickly.
Troubleshooting: Be patient while waiting for a representative. Have your NIK and KK numbers ready for verification.

Tips for Remembering Your Number

Okay, now you know how to find your number, but wouldn't it be great if you didn't have to keep checking? Here are a few tips to help you remember your SIM card number:

Save it in your contacts: Create a contact in your phone called