How To Add a Line to AT&T Plan: A Complete Guide


Mar 08, 2024 • Filed to: Remove Screen Lock • Proven solutions

With all the demands of your busy lives, staying in the loop is more important than ever. Whether for work, family, or simply keeping up with the latest, you rely on your mobile phone. But with so many different wireless carriers and plans to choose from, it can be tough to find the right one for your needs.

That's where deals of adding lines on AT&T come in. AT&T understands that flexibility and affordability are important for you. So, if you want to stay connected and save money, check out their promotions in this article.

att 3d logo illustration

Part 1: How Much Is Adding a Line to AT&T Cost?

Are you considering adding a line to your AT&T plan and wondering about the costs and features? You'll be amazed at how affordable it is to get what you want! With AT&T, adding a new line costs as low as $30 per line, depending on the phone plan and features you select. Here's a breakdown of what you can expect when adding a line to the service.

Adding Lines With Unlimited Data Plan to AT&T Accounts

With AT&T's Unlimited Plan, you'll enjoy a host of features that keep you connected without limits:

  • Unlimited Talk, Text, and Data

Stay in touch with friends and family without worrying about minute or text limits. Talk, text, and surf the web to your heart's content within the U.S., Canada, and Mexico. Plus, even when roaming, you'll still have access (albeit at 2G speeds).

  • AT&T 5G

Access AT&T's blazing-fast 5G network, ensuring you have a speedy and reliable connection for all your online activities.

  • AT&T ActiveArmorSMMobile Security

Your safety matters. With ActiveArmorSM offers advanced security features like Public Wi-Fi Protection and Identity Monitoring. It's peace of mind that works around the clock to keep you secure.

  • International Texting

Keep in touch with loved ones globally with unlimited texting to over 200 countries.

att unlimited plans prices and features

AT&T Add Line With Prepaid Plans

The AT&T Prepaid Plan is the way to go for those looking to save while staying flexible. Here's what makes it stand out:

  • Family-Friendly Plans

Share the AT&T experience with your loved ones. Give everyone in your family the freedom to choose their line, plan, and data with AT&T. No need to compromise on individual preferences.

  • Multi-Line Discount

Whether you're a family of two or five, AT&T has a phone plan that's perfect for you. You can add up to 5 lines to your AT&T accounts in one monthly payment. And because AT&T offers multi-line discounts, the more lines you add to your phone plan, the more you'll save.

att prepaid plan multi-line prices

So, what are you waiting for? Expand your connectivity with AT&T and add a line today! If you are ready to enhance your connectivity, keep reading and explore how it works.

Part 2: How To Add a Line to Your AT&T Phone Plan?

Are you ready to take the plunge with AT&T and add a line to your phone plan? It's easier than you might think! Whether you're starting fresh or expanding an existing account.

Add a Line for a New AT&T Phone

Before you get service for a new AT&T smartphone, there are a few things you need to do:

  • If you have an installment plan, you may need to pay off the balance before you can trade in your phone.
  • Switch to an unlimited plan if you're getting a 5G phone. AT&T Unlimited Your Way plans include 5G access.
  • Check to see if your number is eligible to transfer if you're switching from another provider.

Once you've checked off all these items, follow these steps to upgrade to a new AT&T smartphone:

  • Step 1: Visit the AT&T website and navigate to Shop smartphones, devices, and accessories.
  • Step 2: Select a phone model and customize it to your liking, then click Continue.
  • att customize the selected device

  • Step 3: Select a plan that meets your needs and click Continue to move to the next step.
  • att select a plan

  • Step 4: Select the accessories and add them to your cart. Once you have finished, click Go to Cart to review your order.
  • att add phone accessories to cart

  • Step 5: Once you have reviewed your order, click Checkout to complete the purchase process.
  • Add a Line for an Existing AT&T Phone Plan

    Get more value for your money when you add a new line to your AT&T account. Here's how to do it:

  • Step 1: Visit the official website of AT&T and sign in with your credentials.
  • Step 2: Select Add a device and choose whether to connect your phone or buy a new one from AT&T.
  • Step 3: Select a plan and the features of your new device line.
  • Step 4: Configure and activate the new phone line on your AT&T wireless plan.
  • Note:

    If you need your new device sooner, you can pick it up in-store on the same day of purchase. Otherwise, you can choose to have it delivered to your preferred address.

    Add a Line on the AT&T Prepaid Account

    AT&T is one of the best wireless service providers, and for good reason. With the prepaid service plan, you can stay connected without commitment. No credit check, no annual contract, easy activation –AT&T Prepaid has it all. Plus, adding friends and family to your account is easy. Here's how:

  • Step 1: Buy an AT&T Prepaid plan, insert the SIM, and turn on the phone to activate it. You can also buy a new phone if you need one.
  • Step 2: Sign into your prepaid account if you are the account owner.
  • Step 3: Select Add a Line, then follow the on-screen instructions to invite member lines. Once you have added a new line, pay for all lines in your account.
  • With these steps in mind, you can now take full advantage of adding a line to AT&T's specials, whether adding a new device or opting for the trade-in program. It's all about making your transition smooth, cost-effective, and hassle-free.

    Ready to discover these exciting deals? Head over to the next section and elevate your experience with ease!

    Part 3: Adding Lines to AT&T Accounts Promotions

    For a limited time, AT&T offers promotions that make adding a new line even more enticing. Adding a line to AT&T gives you a free phone, bill credit trade-ins, and great savings. If you think this sounds good, read on since now's the perfect time to add a line to your AT&T plan.

    Savings if You Buy a New Device

    When you try adding new lines and opt for a new device, you're in for some fantastic savings. AT&T offers exclusive discounts and promotions on a range of smartphones. It means you can score the latest smartphones or devices at prices that won't break the bank. It's the perfect opportunity to equip your new line with the tech you've been eyeing.

    Keep Your Number

    Don't want to say goodbye to your current phone number? No problem. With AT&T, you can retain your existing number when you add a line. Whether for convenience or personal preference, it ensures a smooth transition without the hassle of updating contacts and informing everyone of your new digits.

    AT&T Trade-In Program

    Are you thinking about upgrading your phone while adding a line? Consider adding new lines to AT&T's deal: the Trade-in program. When you add a line and trade in your eligible old device (in good condition), you can earn bill credits or an AT&T Promotional card toward your new one.

    att promotional cards

    It's a smart way to give your old phone a new purpose and score some savings while you're at it. Plus, you'll be doing your part for the environment by recycling your old device.

    Get Bill Credits With BYOD

    Adding a line to AT&T specials also offers the Bring Your Own Device (BYOD) program. Here's how it works:

    If you're not looking to buy a new device, AT&T has you covered with the BYOD program. You can qualify for bill credits when you add a line using your compatible device. It's a win-win situation – you get the flexibility of adding a phone line while enjoying savings on your monthly bill. Just ensure your device is GSM-compatible, and you're good to go.

    Before You Add a Line Using the BYOD Program

    Before going to the BYOD program, it's essential to cover a few basics:

    • Check Compatibility

    Verify your device's compatibility with the AT&T network. Remember, your phone must be GSM-compatible to work seamlessly.

    • Choose a Wireless Plan

    Select the wireless plan that aligns with your needs to get service for your added line. AT&T offers several phone plans to fit different usage patterns and preferences.

    • Backup Your Data

    Before making the switch from another carrier, back up your data. Using third-party mobile solutions like Wondershare Dr.Fone can help you not lose any important information during the transition.

    • Unlock Your Device

    If your device is locked to another carrier, remember that AT&T cannot unlock it. Contact your mobile carrier to unlock your device before bringing it to AT&T.

    Unlocking your phone allows you to switch carriers, use international SIM cards while traveling, and even increase the resale value of your device. Dr.Fone's SIM Unlock feature is a reliable and user-friendly tool that can help you unlock your phone effortlessly.

    Part 4: Wondershare Dr.Fone – Best SIM Unlock Tool

    If you have features like Find My iPhone® enabled, Activation Lock, or other user locks on your device, you might be restricted from trading it in or using it with a different carrier. By unlocking your phone with Wondershare Dr.Fone, you regain control and flexibility, allowing you to switch carriers or trade-in at AT&T without any hassles.

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    Dr.Fone - Screen Unlock (iOS)

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    Key Features

    Dr.Fone's unlock tool is a game-changer for iPhone users. With its powerful features, this tool can help you:

    • Easily remove the iCloud activation lock, even if you forgot your iCloud password
    • Unlock your iPhone from carrier restrictions, allowing you to switch to a different carrier like AT&T hassle-free
    • Unlock various types of iPhone lock screens, including passcodes, Face ID, Touch ID, and more, all in a matter of minutes
    • Permanently bypass the Apple ID lock, giving you full control of your device

    Dr.Fone isn't limited to iOS. It can remove four types of screen locks on Android devices: pattern, PIN, password, and fingerprints. Dr.Fone works seamlessly with popular Android brands like Samsung, Huawei, and LG without data loss.

    Step-by-Step Guide for Using Dr.Fone's SIM Unlock

    Unlocking your device with Dr.Fone is easy since you don't have to be an expert to navigate it. Here's the guide to get you started:

  • Step 1: Get the Wondershare Dr.Fone app from the official website and install it on your desktop.
  • safe Downloadsafe & secure
  • Step 2: Open the app, select Screen Unlock > iOS from the Toolbox, and launch the tool in a new window.
  • dr.fone toolbox interface

  • Step 3: Select the Remove SIM Locked feature to start unlocking your SIM.
  • dr.fone screen unlock features interface

  • Step 4: Click Start on the Remove SIM locks tool to continue.
  • dr.fone starts removing sim locks

  • Step 5: The platform automatically recognizes your iOS device and displays its details. Review the information and click Unlock Now to proceed.
  • dr.fone displays phone details

  • Step 6: Jailbreak your device before proceeding. Click Jailbreak Guide for instructions, or Watch Video for a tutorial video.
  • dr.fone jailbreak ios device prompt

  • Step 7: Follow the on-screen prompts starting with removing your SIM card, then click Continue once done.
  • sim removal on-screen instructions

  • Step 8: You will see the SIM unlock progress on the next screen.
  • removing sim lock progress

  • Step 9: After the process is complete, a window will appear with a completion message. Click Done to close the window, then exit the program.
  • successfully removed sim lock


    Add lines to AT&T deals offer a range of enticing benefits, including savings on new devices, number retention, and more. Making an informed decision about adding a line can enhance connectivity with flexible AT&T promotions.

    And if you ever find yourself needing to unlock your device, consider exploring Dr.Fone's unlock feature for a seamless mobile experience. Your freedom and choice are at the heart of these offers, ensuring you get the most from your mobile services.

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    Daisy Raines

    staff Editor

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