Secret Codes guide
*646# on AT&T: Check Minutes Used
By Muhammad Shahid · · 3 min read
Quick answer
*646#: *MIN# — voice minutes used this cycle. 646 spells MIN. AT&T replies by text with the minutes used in the current billing cycle. AT&T postpaid lines.
Secret CodesDial codes, SIM & network test · Free on the App StoreDownload free →| Code | *646# |
|---|---|
| What it does | *MIN# — voice minutes used this cycle. |
| Published for | AT&T |
| Type | Carrier specific |
*MIN# — voice minutes used this cycle. This page explains what *646# 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 *646# do?
646 spells MIN. AT&T replies by text with the minutes used in the current billing cycle.
How do I use *646#?
- Open the Phone app and tap Keypad.
- Type *646# exactly as written.
- Press the green Call button and wait for the result.
Which carriers does this apply to?
| Published for | AT&T |
|---|---|
| Type | Carrier specific |
| Good to know | AT&T postpaid lines. |
Related verizon, at&t and t-mobile codes
- *225#: Check Your Balance
- *3282#: Check Data Usage
- Verizon Call Filter
- *729: Make A Payment
- #832: Test Call Quality
- *639#: Check Upgrade Eligibility
See all verizon, at&t and t-mobile 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 *646# do on iPhone?
*MIN# — voice minutes used this cycle. 646 spells MIN. AT&T replies by text with the minutes used in the current billing cycle.
What are the steps for *646#?
1. Open the Phone app and tap Keypad. 2. Type *646# exactly as written. 3. Press the green Call button and wait for the result.
Where do I use *646#?
On the keypad of the Phone app.
Do I need to press Call after typing *646#?
Yes. Type it on the Phone keypad, then press the green Call button.
Is *646# 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 *646# work on?
It is published for AT&T. AT&T postpaid lines.
Does *646# 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 *646# 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 *646# 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 *646#?
*225#: Check Your Balance. *BAL# — your current AT&T balance.
What else is in this category?
*3282#: Check Data Usage. *DATA# — how much data you have used.
Can I find *646# in an app?
Yes. Secret Codes, a free iPhone app, includes it with its steps and carrier details.
Sources
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