# *729 on AT&T: Make A Payment URL: https://byshahid.com/blog/att-make-a-payment-star-729-iphone/ App: Secret Codes: IMEI & Carrier (https://apps.apple.com/us/app/secret-codes-imei-carrier/id6807154322) Author: Muhammad Shahid Updated: 2026-11-04 > *729: *PAY — start a payment by phone. 729 spells PAY. Dialling it connects you to AT&T's automated payment line. Unlike the usage codes this one has no trailing #, because it places a call rather than sending a query. - **Code:** *729 - **What it does:** *PAY — start a payment by phone. - **Published for:** AT&T - **Type:** Carrier specific *PAY — start a payment by phone. This page explains what `*729` 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](https://apps.apple.com/us/app/secret-codes-imei-carrier/id6807154322). ## What does *729 do? 729 spells PAY. Dialling it connects you to AT&T's automated payment line. Unlike the usage codes this one has no trailing #, because it places a call rather than sending a query. **Important:** Never enter card details in response to an unexpected call or text. Start the payment yourself by dialling this code. ## How do I use *729? - Open the Phone app and tap Keypad. - Type *729 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 lines. | _Screenshot: The Secret Codes detail screen shows the steps, the carriers and an Open in Phone button._ ## Related verizon, at&t and t-mobile codes - [*3282#: Check Data Usage](/blog/att-check-data-usage-star-3282-iphone/) - [*639#: Check Upgrade Eligibility](/blog/att-check-upgrade-eligibility-star-639-iphone/) - [*646#: Check Minutes Used](/blog/att-check-minutes-used-star-646-iphone/) - [*777#: Check Prepaid Balance](/blog/att-check-prepaid-balance-star-777-iphone/) - [*225#: Check Your Balance](/blog/att-check-your-balance-star-225-iphone/) - [AT&T ActiveArmor](/blog/att-activearmor-iphone/) See all [verizon, at&t and t-mobile codes](/blog/iphone-codes/carrier-codes/) or [every category of iPhone codes](/blog/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. **Secret Codes: IMEI & Carrier** is free on the App Store: https://apps.apple.com/us/app/secret-codes-imei-carrier/id6807154322 ## FAQ ### What does *729 do on iPhone? *PAY — start a payment by phone. 729 spells PAY. Dialling it connects you to AT&T's automated payment line. Unlike the usage codes this one has no trailing #, because it places a call rather than sending a query. ### What are the steps for *729? 1. Open the Phone app and tap Keypad. 2. Type *729 exactly as written. 3. Press the green Call button and wait for the result. ### Where do I use *729? On the keypad of the Phone app. ### Do I need to press Call after typing *729? Yes. Type it on the Phone keypad, then press the green Call button. ### Is *729 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 *729 work on? It is published for AT&T. AT&T lines. ### Is there anything to watch out for with *729? Never enter card details in response to an unexpected call or text. Start the payment yourself by dialling this code. ### Does *729 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 *729 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 *729 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 *729? *3282#: Check Data Usage. *DATA# — how much data you have used. ### What else is in this category? *639#: Check Upgrade Eligibility. *NEW# — find out when you can upgrade. ## Sources - [Verizon Support](https://www.verizon.com/support/)