Where your phone stores blocked numbers
Every smartphone keeps a record of numbers you have blocked, but the location depends on whether you use an iPhone or Android device. Your phone does not delete this record when you block someone — it stores it in a dedicated section so you can unblock them later if you need to.
The blocked list lives in your phone's settings or in the Phone app itself, not in your contacts or call history. This means you can review who you have blocked without those numbers showing up in your regular call logs or messages.
Key Takeaways
- On iPhone, blocked numbers are stored in Settings under Phone, and you can view or unblock them from that single list.
- On Android, blocked numbers appear in the Phone app under a Blocked or Spam section, though the exact location varies by phone manufacturer.
- You can unblock a number from the same place you view it, and that person will immediately be able to call or text you again.
- If you cannot remember blocking someone, search your blocked list by scrolling through recent calls or checking your phone's settings directly.
Finding blocked numbers on iPhone
Open Settings on your iPhone and tap Phone. Scroll down and select Blocked Contacts. This screen shows every number you have blocked on your device. The list displays the phone number or contact name, depending on whether the number is saved in your contacts.
If you want to unblock someone from this list, swipe left on their name or number and tap Unblock. They will be able to call and text you immediately after you unblock them. You can also tap Edit in the top left corner to select multiple numbers and unblock them at once.
If you do not see a Blocked Contacts option, your iPhone may be running an older version of iOS. In that case, go to Settings, tap Phone, and look for a Do Not Disturb or Blocked section instead.
Finding blocked numbers on Android
Open the Phone app on your Android device and look for a menu icon (three dots or lines) in the top right corner. Tap it and select Settings or Call Settings. From there, look for Blocked Numbers, Spam, or Do Not Disturb — the exact name depends on your phone's manufacturer and Android version.
Once you open the blocked list, you will see all the numbers you have blocked. To unblock a number, tap it and select Unblock or Remove from Blocked List. The person can call or text you right away after you unblock them.
Some Android phones also let you block numbers directly from the Phone app. If you see a Blocked or Spam tab at the bottom of the app, tap it to view your blocked list from there instead of going through Settings.
Checking blocked numbers in Messages
On both iPhone and Android, you can also find blocked numbers through your messaging app. Open Messages or SMS and look for a menu or settings option. Some phones let you view blocked contacts directly from the messaging app without going into the phone settings.
This is useful if you remember that you blocked someone via text message rather than a call. The blocked list in Messages may show slightly different information than the list in your Phone app, so check both if you are looking for a specific number.
What happens when you block a number
When you block a number, that person cannot call you, send you text messages, or reach you through FaceTime or iMessage. Their calls go straight to voicemail, and their texts do not appear in your message threads. However, they will not receive a notification that they are blocked — their call or message simply will not go through.
The blocked number stays on your blocked list until you unblock it. Blocking someone does not delete their contact information from your phone, so you can still see their name and number in your contacts app. It only prevents them from reaching you through calls and messages.
Unblocking a number and what comes next
Unblocking a number is immediate and reversible. Once you unblock someone, they can call or text you right away, and their messages will appear in your regular message threads again. You can block them again at any time if you change your mind.
When you unblock a number, you do not receive any notification, and the person who was blocked does not receive one either. They simply regain the ability to reach you. If they have tried to call or text while blocked, those messages do not come through retroactively — only new messages after you unblock them will arrive.
If you cannot find your blocked list
If you have looked in Settings and the Phone app but cannot find your blocked numbers, your phone may organize them differently. Try searching your phone's settings for the word "block" using the search function at the top of Settings. This will take you directly to any blocking-related options on your device.
You can also try blocking a new number intentionally to see where your phone stores it. Once you know the location, you can navigate back to that same place to view your full blocked list. If you still cannot locate it, your phone's user manual or manufacturer support page will show the exact steps for your specific model.
Frequently Asked Questions
Can someone tell if I blocked them?
No. When you block a number, the person cannot call you or send messages, but they do not receive a notification that they are blocked. Their call goes to voicemail and their texts do not deliver, but they will not see a message saying "you are blocked."
What if I blocked a number but forgot who it was?
Check your blocked list in Settings or the Phone app — it will show the phone number or contact name. If the number is not saved in your contacts, you may not recognize it. Try searching online for the number to see if it belongs to a business or known spam caller.
Can I block a number that is not in my contacts?
Yes. You can block any phone number, even if it is not saved in your contacts. Go to your recent calls or a text message from that number, tap the menu icon, and select Block. The number will be added to your blocked list immediately.
Do blocked numbers stay blocked if I restart my phone?
Yes. Blocked numbers are stored on your phone's system, not in temporary memory. Restarting your phone, updating your software, or getting a new SIM card will not remove your blocked list. The blocks stay in place until you manually unblock them.
Can I block a number on one phone but not another?
Yes. Blocking is device-specific, not account-specific. If you have an iPhone and an Android phone, you have to block the same number separately on each device. Blocking someone on your iPhone does not block them on your Android phone.