How to Block a Mobile Number

Blocking a mobile number may have different meanings for different people. If you are looking to a block a specific mobile number from calling or texting you, you are at the right place. There are a number of reasons why you may decide to block a number: someone won’t stop calling you, to block unwanted telemarketing calls, scam numbers, or anything else. Whatever your reason is, this article can help you block a number temporarily or permanently from your mobile. But if you are looking to block SIM card when your phone is lost or stolen, you can do so by calling the customer care service.

Block Telemarketing (Company) Calls

To block unwanted calls from telemarketers, various marketing companies, and sales calls, you can apply to add your number into the Do Not Call Registry.

Method 1: Do Not Call Registry

Also known as Do Not Disturb (DND) service, it allows you to register up to three numbers at once. To register your number for Do Not Call service, follow the steps below.

Step 1: Visit the website donotcall.gov

Step 2: Click on the “Register Your Phone” option.

donotcall.gov

Step 3: If you are not sure whether you have registered before, you can verify by clicking on the “VERIFY HERE” button. If not, you can continue to register by clicking on the “REGISTER HERE” button.

Do Not Call Registry

Step 4: Now, you can enter up to three numbers for Do not call service and. Enter and confirm your email address, and click the Submit button.

three numbers for Do not call service

Step 5: Confirm your details and Register. You will receive a verification email to your registered email address. Confirm your email address by clicking the link.

Once the process is completed, your number will be successfully added to the National Do Not Call Registry within 24 hours of registration.

If you are still receiving sales calls even after registering your number, you can file a complaint against a particular number or service. The process to block SIM card is different from the above one.

Method 2: DND activation by Call or SMS

Most of the mobile networking services in India allow you to block telemarketing & sales calls by activating DND service through call or SMS.

DND activation by Call: Give a call to 1909 using the number you want to activate DND service on. Follow the instructions carefully and file a request for DND activation. Once your request is registered, the service will be activated within 2-3 days. You will receive a confirmation message upon service activation.

DND activation by SMS: Send an SMS to 1909 using the number you want to register for DND. The SMS should include the following text.

“START DND” or “START 0”

The service will activate within 2-3 days of registration.

Blocking a mobile number on Android/iOS phones

Method 1: Through phone settings/options

If you have an Android phone on which you want to block a particular number, you can do so by visiting the settings option in the phone menu. The process may vary from one Android phone to another. The basic stock Android phones allow you to register a number to the Reject/Block list. By doing so, the calls from that particular number will be rejected automatically. To add a number to reject list, follow the steps below.

  1. Go to your phone contacts list.
  2. Select a contact and click on options.
  3. Click on “Add to reject list” option
  4. The number is added to the reject list.

You can remove the number from the list by following the same process. Some phones even allow you to manually edit the Reject List using the contact settings option.

The same ‘Reject list’ option is available in many other phones with a different name like ‘block list’ or ‘blocked number’ or anything similar. The process is more or less same for every mobile phone.

Method 2: Block a number using an App

There are many contact and call applications for Android phones and iPhones that allow you to manually block the numbers. One such application is Truecaller. To block a number on your Android or iOS phone using the Truecaller app, follow the steps below.

Step 1: Install the Truecaller app from Google Play store or Apple store. Skip this step if you already have the app installed on your phone.

Step 2: Open Truecaller app. Click on the Block option in the settings or click the Block button directly.

Step 3: Select a number from your contact list or add a number manually. The number will be added to the Block List.

After a number is blocked, you won’t be able to receive any calls or messages from this number until you unblock it back.

There are many other apps like Calls Blacklist, Mr. Number, Blacklist Plus, Master Call Blocker and others that can be used to block a mobile number. Remember that this process does not block SIM card, it only blocks a phone number.

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