Secret Codes guide
*99 on iPhone: Metro by T-Mobile: Pay Your Bill
By Muhammad Shahid · · 3 min read
Quick answer
*99: Dials Metro's automated payment line. Dialling *99 from a Metro phone drops you straight into the automated payment system, skipping the general support menu. Metro accepts debit, credit and prepaid cards through it.
| Code | *99 |
|---|---|
| What it does | Dials Metro's automated payment line. |
| Network | T-Mobile |
| Type | Carrier specific |
Dials Metro's automated payment line. This page explains what *99 does, how to use it on an iPhone and which carriers it applies to.
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What does *99 do?
Dialling *99 from a Metro phone drops you straight into the automated payment system, skipping the general support menu. Metro accepts debit, credit and prepaid cards through it.
This is the fastest route when a line has already suspended for non-payment, because the payment system stays reachable even when outbound calling has been restricted.
Important: This connects you to an automated system that will ask for card details. Only enter them if you dialled *99 yourself and were not prompted to call by an unsolicited message.
How do I use *99?
- Open the Phone app and tap Keypad.
- Type *99 exactly as written.
- Press the green Call button and wait for the result.
Who is this for?
| Network | T-Mobile |
|---|---|
| Type | Carrier specific |
| Good to know | Metro by T-Mobile lines only. |

Related prepaid and mvno codes
- *611: Metro by T-Mobile Customer Service
- #225: Boost Mobile: Check Your Balance
- Ultra Mobile: International Roaming Balance
- #233: Boost Mobile: Add Money
- Ultra Mobile: Check Your Balance
- 611: Boost Mobile Customer Care
See all prepaid and mvno codes or every category of iPhone codes.
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Frequently asked questions
What does *99 do on iPhone?
Dials Metro's automated payment line. Dialling *99 from a Metro phone drops you straight into the automated payment system, skipping the general support menu. Metro accepts debit, credit and prepaid cards through it.
What else should I know about *99?
This is the fastest route when a line has already suspended for non-payment, because the payment system stays reachable even when outbound calling has been restricted.
What are the steps for *99?
1. Open the Phone app and tap Keypad. 2. Type *99 exactly as written. 3. Press the green Call button and wait for the result.
Where do I use *99?
On the keypad of the Phone app.
Do I need to press Call after typing *99?
Yes. Type it on the Phone keypad, then press the green Call button.
Is *99 a hidden or secret code?
No. It is a published service, not a hidden menu. iPhones do not have Android-style engineering menus.
Who can use *99?
Customers of the carrier named on this page. Metro by T-Mobile lines only.
Is there anything to watch out for with *99?
This connects you to an automated system that will ask for card details. Only enter them if you dialled *99 yourself and were not prompted to call by an unsolicited message.
Does *99 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 *99 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 *99 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 *99?
*611: Metro by T-Mobile Customer Service. Metro's support line from a Metro phone.