Secret Codes guide
#662# on iPhone: Turn On Scam Block (T-Mobile)
By Muhammad Shahid ยท ยท 3 min read
Quick answer
#662#: Stop calls T-Mobile has identified as scams from ringing. Part of T-Mobile's Scam Shield. Once enabled, calls the network has flagged as likely scams are blocked before your iPhone rings โ you do not get a missed call or a voicemail. Dial the code and press call; you will hear a short confirmation.
Secret CodesDial codes, SIM & network test ยท Free on the App StoreDownload free โ| Code | #662# |
|---|---|
| What it does | Stop calls T-Mobile has identified as scams from ringing. |
| Published for | T-Mobile |
| Type | Carrier specific |
Stop calls T-Mobile has identified as scams from ringing. This page explains what #662# does, how to use it on an iPhone and which carriers it applies to.
I build Secret Codes: IMEI & Carrier, a free iPhone app with 317 checked codes and guides, including this one. If you would rather tap than memorise, get Secret Codes on the App Store.
What does #662# do?
Part of T-Mobile's Scam Shield. Once enabled, calls the network has flagged as likely scams are blocked before your iPhone rings โ you do not get a missed call or a voicemail.
Dial the code and press call; you will hear a short confirmation.
Important: Blocking is based on T-Mobile's own scoring. Legitimate calls are occasionally misclassified, so if you are expecting a call from an unfamiliar number consider turning it off first with #632#.
How do I use #662#?
- Open the Phone app and tap Keypad.
- Type #662# exactly as written.
- Press the green Call button and wait for the result.
Which carriers does this apply to?
| Published for | T-Mobile |
|---|---|
| Type | Carrier specific |
| Good to know | T-Mobile lines, including Metro by T-Mobile on most plans. |
Related caller id codes
- *#77#: Check Connected Line Restriction
- #632#: Turn Off Scam Block (T-Mobile)
- *#76#: Check Connected Line Presentation
- #787#: Check Scam Block Status (T-Mobile)
- *#30#: Check Incoming Caller ID Service
- Show My Caller ID Switch
See all caller id codes or every category of iPhone codes.
How Secret Codes helps
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Frequently asked questions
What does #662# do on iPhone?
Stop calls T-Mobile has identified as scams from ringing. Part of T-Mobile's Scam Shield. Once enabled, calls the network has flagged as likely scams are blocked before your iPhone rings โ you do not get a missed call or a voicemail.
What else should I know about #662#?
Dial the code and press call; you will hear a short confirmation.
What are the steps for #662#?
1. Open the Phone app and tap Keypad. 2. Type #662# exactly as written. 3. Press the green Call button and wait for the result.
Where do I use #662#?
On the keypad of the Phone app.
Do I need to press Call after typing #662#?
Yes. Type it on the Phone keypad, then press the green Call button.
Is #662# a hidden or secret code?
No. It is a published service, not a hidden menu. iPhones do not have Android-style engineering menus.
Which carriers does #662# work on?
It is published for T-Mobile. T-Mobile lines, including Metro by T-Mobile on most plans.
Is there anything to watch out for with #662#?
Blocking is based on T-Mobile's own scoring. Legitimate calls are occasionally misclassified, so if you are expecting a call from an unfamiliar number consider turning it off first with #632#.
Does #662# work on Android phones too?
It is handled by the carrier or service rather than the iPhone, so it is not tied to one phone brand. Check with your carrier.
Will #662# work outside the US?
It is published for US carriers and services, so do not count on it abroad. Ask your carrier before you travel.
What if #662# does not work on my iPhone?
Check that it applies to your carrier first, because carriers decide which services they offer and can change them. If it should apply to your line, contact your carrier.
What is related to #662#?
*#77#: Check Connected Line Restriction. See whether your line hides itself from callers who reach it.
Sources
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