# Label Your Dual-SIM Lines on iPhone: How It Works URL: https://byshahid.com/blog/label-your-dual-sim-lines-iphone/ App: Secret Codes: IMEI & Carrier (https://apps.apple.com/us/app/secret-codes-imei-carrier/id6807154322) Author: Muhammad Shahid Updated: 2026-11-04 > Name each line so you always know which one is calling. Custom labels — Personal, Work, Travel — appear throughout iOS: in the Phone app's line picker, in Messages, and in the status bar. On a dual-SIM iPhone this is the difference between confidently dialling from the right number and guessing. - **What it does:** Name each line so you always know which one is calling. - **Published for:** any iPhone - **Type:** iOS setting Name each line so you always know which one is calling. This page explains what it 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 is Label Your Dual-SIM Lines? Custom labels — Personal, Work, Travel — appear throughout iOS: in the Phone app's line picker, in Messages, and in the status bar. On a dual-SIM iPhone this is the difference between confidently dialling from the right number and guessing. ## How do I do it? - Open the Settings app. - Tap Cellular. - Tap the line you want to rename. - Tap Cellular Plan Label and choose or type a name. ## Which carriers does this apply to? | Published for | any iPhone | | Type | iOS setting | | Good to know | iPhone XS and later with two active lines. | _Screenshot: The Secret Codes detail screen shows the steps, the carriers and an Open in Phone button._ ## Related sim and esim - [Find Your Own Phone Number](/blog/find-your-own-phone-number-iphone/) - [Choose Your Default Line](/blog/choose-your-default-line-iphone/) - [Set A SIM PIN](/blog/set-a-sim-pin-iphone/) - [Find Your iPhone's Serial Number](/blog/find-your-iphones-serial-number/) - [Remove An eSIM](/blog/remove-an-esim-iphone/) - [Transfer An eSIM To A New iPhone](/blog/transfer-an-esim-to-a-new-iphone/) See all [sim and esim](/blog/iphone-codes/sim-and-esim/) 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 is Label Your Dual-SIM Lines on iPhone? Name each line so you always know which one is calling. Custom labels — Personal, Work, Travel — appear throughout iOS: in the Phone app's line picker, in Messages, and in the status bar. ### What else should I know about Label Your Dual-SIM Lines? On a dual-SIM iPhone this is the difference between confidently dialling from the right number and guessing. ### What are the steps for Label Your Dual-SIM Lines? 1. Open the Settings app. 2. Tap Cellular. 3. Tap the line you want to rename. 4. Tap Cellular Plan Label and choose or type a name. ### Where do I find Label Your Dual-SIM Lines? In the Settings app on your iPhone. ### Is there a dial code for Label Your Dual-SIM Lines? No. On iPhone this is not a dial code, so you use the steps on this page instead. ### Which carriers does Label Your Dual-SIM Lines work on? It is published for any iPhone. iPhone XS and later with two active lines. ### Does Label Your Dual-SIM Lines work on Android phones too? These steps are for iPhone. Android phones have their own menus. ### Will Label Your Dual-SIM Lines work outside the US? The iPhone steps stay the same, although some features depend on your carrier and region. ### What if Label Your Dual-SIM Lines 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 Label Your Dual-SIM Lines? Find Your Own Phone Number. Read back the number assigned to your line. ### What else is in this category? Choose Your Default Line. Decide which number calls and texts go out from. ### Can I find Label Your Dual-SIM Lines in an app? Yes. Secret Codes, a free iPhone app, includes it with its steps and carrier details. ## Sources - [Apple Support: iPhone User Guide](https://support.apple.com/guide/iphone/welcome/ios)