Secret Codes guide
*#353# on iPhone: Check All Incoming Barring
By Muhammad Shahid · · 3 min read
Quick answer
*#353#: Interrogate both incoming barring services at once. Read only interrogation of the grouped incoming barring identifier, covering barring of all incoming calls and barring of incoming calls while roaming. Worth pairing with the outgoing grouped query when diagnosing a line that behaves oddly in only one direction.
Secret CodesDial codes, SIM & network test · Free on the App StoreDownload free →| Code | *#353# |
|---|---|
| What it does | Interrogate both incoming barring services at once. |
| Published for | AT&T and T-Mobile |
| Type | Support varies |
Interrogate both incoming barring services at once. This page explains what *#353# 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 *#353# do?
Read only interrogation of the grouped incoming barring identifier, covering barring of all incoming calls and barring of incoming calls while roaming.
Worth pairing with the outgoing grouped query when diagnosing a line that behaves oddly in only one direction.
How do I use *#353#?
- Open the Phone app and tap Keypad.
- Type *#353# exactly as written.
- Press the green Call button and wait for the result.
Which carriers does this apply to?
| Published for | AT&T and T-Mobile |
|---|---|
| Type | Support varies |
| Good to know | Safe to dial and changes nothing. Frequently unavailable on US networks. |
Related call barring and sim pin codes
- #353*0000#: Cancel All Incoming Barring
- **03*330*0000*1234*1234#: Change the Call Barring Password
- *#333#: Check All Outgoing Barring
- *#300#: Check Calling Name Presentation
- #333*0000#: Cancel All Outgoing Barring
- *43*11#: Turn On Call Waiting for Voice Only
See all call barring and sim pin codes or every category of iPhone codes.
How Secret Codes helps
Secret Codes keeps this and every other entry a search away. Pick your carrier once and each entry says whether it is published for your line. You can save favourites, add a private note, and record whether a code worked on your line.
Frequently asked questions
What does *#353# do on iPhone?
Interrogate both incoming barring services at once. Read only interrogation of the grouped incoming barring identifier, covering barring of all incoming calls and barring of incoming calls while roaming.
What else should I know about *#353#?
Worth pairing with the outgoing grouped query when diagnosing a line that behaves oddly in only one direction.
What are the steps for *#353#?
1. Open the Phone app and tap Keypad. 2. Type *#353# exactly as written. 3. Press the green Call button and wait for the result.
Where do I use *#353#?
On the keypad of the Phone app.
Do I need to press Call after typing *#353#?
Yes. Type it on the Phone keypad, then press the green Call button.
Is *#353# 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 *#353# work on?
It is published for AT&T and T-Mobile. Safe to dial and changes nothing. Frequently unavailable on US networks.
Does *#353# 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 *#353# 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 *#353# 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 *#353#?
#353*0000#: Cancel All Incoming Barring. Clear both incoming barring services in one command.
What else is in this category?
**03*330*0000*1234*1234#: Change the Call Barring Password. Register a new network password for the call barring services.
Sources
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