Secret Codes guide
#2535# on iPhone: T-Mobile Bill Ready Notification
By Muhammad Shahid · · 3 min read
Quick answer
#2535#: Ask T-Mobile to text you when your bill is ready. T-Mobile lists #2535# on its self-service page as the code that sets up a notification telling you when your bill is ready to view.
| Code | #2535# |
|---|---|
| What it does | Ask T-Mobile to text you when your bill is ready. |
| Published for | T-Mobile |
| Type | Carrier specific |
Ask T-Mobile to text you when your bill is ready. This page explains what #2535# does, how to use it on an iPhone and which carriers it applies to.
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What does #2535# do?
T-Mobile lists #2535# on its self-service page as the code that sets up a notification telling you when your bill is ready to view.
It is a small thing that prevents a common problem: a bill that changed because of a plan adjustment or an added line, noticed only after autopay has already taken the money.
The alert is a text. It does not include the amount, so you still open the app or the website to see the detail.
How do I use #2535#?
- Open the Phone app and tap Keypad.
- Type #2535# 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. Listed on T-Mobile's published short-code page; the exact wording of the alert varies by account type. |

Related more carrier and n11 codes
- #763#: Turn Off T-Mobile International Data Roaming
- #999#: T-Mobile Prepaid Account Balance
- #766#: Turn On T-Mobile International Data Roaming
- #664#: Turn On T-Mobile Scam ID
- #796#: Turn T-Mobile Voicemail Password On or Off
- #634#: Turn Off T-Mobile Scam ID
See all more carrier and n11 codes or every category of iPhone codes.
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Frequently asked questions
What does #2535# do on iPhone?
Ask T-Mobile to text you when your bill is ready. T-Mobile lists #2535# on its self-service page as the code that sets up a notification telling you when your bill is ready to view.
What else should I know about #2535#?
It is a small thing that prevents a common problem: a bill that changed because of a plan adjustment or an added line, noticed only after autopay has already taken the money. The alert is a text. It does not include the amount, so you still open the app or the website to see the detail.
What are the steps for #2535#?
1. Open the Phone app and tap Keypad. 2. Type #2535# exactly as written. 3. Press the green Call button and wait for the result.
Where do I use #2535#?
On the keypad of the Phone app.
Do I need to press Call after typing #2535#?
Yes. Type it on the Phone keypad, then press the green Call button.
Is #2535# 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 #2535# work on?
It is published for T-Mobile. T-Mobile lines. Listed on T-Mobile's published short-code page; the exact wording of the alert varies by account type.
Does #2535# 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 #2535# 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 #2535# 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 #2535#?
#763#: Turn Off T-Mobile International Data Roaming. #ROF# — disable international data roaming at the account level.
What else is in this category?
#999#: T-Mobile Prepaid Account Balance. The prepaid balance code, distinct from postpaid #BAL#.