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Phone settings
How do I stop unknown or spam calls on my phone?
You can reduce spam calls, but the safest setting depends on whether important doctors, pharmacies, schools, or family members call from numbers you have not saved.
The short answer
Use your phone's spam call filter or silence unknown callers, then make sure important contacts are saved before turning on strict blocking.
Now try it on your device
Choose your path
Pick the device or situation that matches the screen in front of you.
Steps for iPhone
- 1Open Settings, then Phone.
- 2Look for Silence Unknown Callers.
- 3Turn it on only if important callers are saved in Contacts.
- 4Also check Call Blocking & Identification if your carrier offers spam filtering.
One safety note
Do not press a number to be removed from a robocall list.
Before you change settings
1Save important numbers first: doctor, pharmacy, family, bank, and local services.
2Use carrier spam protection if your phone offers it.
3Let unknown callers go to voicemail if you are unsure.
What to know first
What this usually means
- Your number is on marketing or scam call lists.
- Spoofed numbers look local but are not real local callers.
- A recent form or contest shared your phone number.
- Carrier spam filtering is off.
Do not do this yet
- Do not press a number to be removed from a robocall list.
- Do not say personal information to a caller who contacted you first.
- Do not block all unknown calls if you are waiting for medical, delivery, or service calls.
Copy this to Emily
You do not need perfect technical words. Send the plain version and a screenshot if you have one.
I keep getting unknown calls. I have an [iPhone/Android]. I do not want to miss [doctor/family/other]. What setting should I use?