Blocking unwanted calls is a necessity for many mobile phone users. Whether it’s telemarketers, robocalls, or spam numbers, having the ability to block calls efficiently can make a big difference. Samsung devices provide users with various call-blocking options, but what about blocking numbers by prefix? This article explores whether this feature is available on Samsung smartphones and what alternatives exist if it is not.
Understanding Call Blocking on Samsung Devices
Samsung smartphones, like most Android devices, come equipped with built-in call-blocking features. Users can manually block specific numbers, prevent unknown callers from reaching them, and filter out spam calls. However, the ability to block phone numbers by prefix is not a standard feature in Samsung’s native dialer app.
Many users find themselves receiving spam calls from numbers with the same prefix, leading to frustration. Being able to block these numbers collectively rather than one at a time would certainly be useful, but Samsung’s default call-blocking options do not support this functionality.
Alternative Methods for Blocking Numbers by Prefix
Those looking to block numbers by prefix on a Samsung device can turn to alternative solutions. Here are a few potential methods:
1. Using Third-Party Apps
Several third-party apps specialize in blocking calls based on patterns such as prefixes. Apps like Truecaller, Hiya, and Calls Blacklist allow users to set rules that filter out calls from specific area codes or number sequences.
To use one of these apps, follow these steps:
- Download a call-blocking app from the Google Play Store.
- Grant the necessary permissions for call management.
- Set up a rule to block numbers with a certain prefix.
These apps provide more flexibility than Samsung’s default call-blocking settings.

2. Contacting Your Carrier
Some mobile network providers offer additional call-filtering services. If blocking numbers by prefix is essential, users may contact their carrier to check if such an option is available. Some carriers provide this service as part of their advanced call protection plans.
3. Do Not Disturb Mode with Exceptions
Samsung devices have a useful Do Not Disturb mode that allows users to silence unwanted calls while allowing important ones to come through. While this method does not block numbers based on prefixes, it can be paired with contact whitelisting to achieve a similar effect.
How to Block Specific Numbers on a Samsung Device
If blocking numbers by prefix is not possible using Samsung’s built-in tools, users can still block individual numbers manually. Here’s how:
- Open the Phone app.
- Tap the three-dot menu in the top right corner.
- Select Settings.
- Navigate to Blocked numbers.
- Add individual numbers to the blocked list.
While this approach is effective for persistent numbers, it can become tedious when trying to block calls from an entire range of numbers.
Image not found in postmeta
Final Thoughts
While Samsung devices offer a robust call-blocking system, they lack the native ability to block numbers by prefix. Users who need this feature can turn to third-party apps or check with their mobile carriers for additional services. Understanding these options ensures that unwanted calls can be managed effectively, reducing distractions and potential scams.
FAQ
Can I block all numbers from a certain area code on my Samsung phone?
No, Samsung’s built-in blocking feature does not allow users to block numbers by area code. However, third-party call-blocking apps may provide this functionality.
What is the best app for blocking calls by prefix?
Apps like Truecaller, Hiya, and Calls Blacklist offer advanced call-blocking options, including the ability to block numbers by prefix.
Does Samsung’s Do Not Disturb mode block unwanted calls?
Do Not Disturb mode silences incoming calls but does not block them entirely. It can be useful when used in combination with contact whitelisting.
Can my mobile carrier help me block numbers by prefix?
Some carriers offer advanced call-filtering services that may allow prefix-based call blocking. It is best to check with your provider for available options.
Will blocking a number on my Samsung phone prevent text messages as well?
Yes, when a number is blocked using Samsung’s built-in settings, both calls and text messages from that number are blocked.
Image not found in postmeta