- [Support](https://www.t-mobile.com/support) - [Get started](#) - [New to T-Mobile?](https://www.t-mobile.com/support/new-to-tmobile) [Switching is easy](https://www.t-mobile.com/support/new-to-tmobile/family-freedom) [Set up your device](https://www.t-mobile.com/support/new-to-tmobile/device) [Using the app](https://www.t-mobile.com/support/plans-features/t-mobile-app) [All get started topics](https://www.t-mobile.com/support/new-to-tmobile) - [Account resources](#) - [Ways to pay your bill](https://www.t-mobile.com/support/account/pay-your-bill) [All about your bill](https://www.t-mobile.com/support/account/whats-impacting-your-bill) [Line permissions](https://www.t-mobile.com/support/account/set-online-permissions) [Your T-Mobile ID](https://www.t-mobile.com/support/account/set-up-and-manage-your-t-mobile-id) [Your PIN/Passcode](https://www.t-mobile.com/support/account/update-your-customer-pinpasscode) [All account resources topics](https://www.t-mobile.com/support/account) - [Network & roaming](#) - [T-Mobile network](https://www.t-mobile.com/support/coverage/t-mobile-network) [In-flight texting and Wi-Fi](https://www.t-mobile.com/support/coverage/t-mobile-in-flight-texting-and-wi-fi) [Wi-Fi Calling](https://www.t-mobile.com/support/coverage/wi-fi-calling-from-t-mobile) [International roaming](https://www.t-mobile.com/support/coverage/international-roaming-services) [Mobile Without Borders](https://www.t-mobile.com/support/coverage/mobile-without-borders) [All network & roaming topics](https://www.t-mobile.com/support/coverage) - [Plans support](#) - [Find the right plan](https://www.t-mobile.com/support/plans-features/find-the-right-plan-for-you) [Netflix on Us](https://www.t-mobile.com/support/plans-features/netflix-on-us) [HotSpot plans](https://www.t-mobile.com/support/plans-features/mobile-internet-plans-for-hotspots) [Voicemail](https://www.t-mobile.com/support/plans-features/voicemail) [Use Mobile HotSpot](https://www.t-mobile.com/support/plans-features/smartphone-mobile-hotspot-wi-fi-sharing--tethering) [All plans support topics](https://www.t-mobile.com/support/plans-features) - [Device assistance](#) - [Tutorials](https://www.t-mobile.com/support/tutorials) [Troubleshooting](https://www.t-mobile.com/support/phones-tablets-devices/troubleshooting) [Unlock your device](https://www.t-mobile.com/support/devices/unlock-your-mobile-wireless-device) [Protect your device](https://www.t-mobile.com/support/devices/protectionandlt360andgt-and-device-protection) [SIM card & eSIM](https://www.t-mobile.com/support/devices/sim-esim) [All device assistance topics](https://www.t-mobile.com/support/phones-tablets-devices) - [Business support](#) - [Get T-Mobile for Business](https://www.t-mobile.com/support/business/new-to-business) [Billing and payments](https://www.t-mobile.com/support/business/billing) [Manage your account](https://www.t-mobile.com/support/business/account) [Orders and shopping](https://www.t-mobile.com/support/business/orders-shopping) [Account Hub registration](https://www.t-mobile.com/support/business/account-hub-registration) [All business support topics](https://www.t-mobile.com/support/business) [SUPPORT](https://www.t-mobile.com/support) - [Get started](#) - [New to T-Mobile?](https://www.t-mobile.com/support/new-to-tmobile) - [Switching is easy](https://www.t-mobile.com/support/new-to-tmobile/family-freedom) - [Set up your device](https://www.t-mobile.com/support/new-to-tmobile/device) - [Using the app](https://www.t-mobile.com/support/plans-features/t-mobile-app) - [All get started topics](https://www.t-mobile.com/support/new-to-tmobile) - [Account resources](#) - [Ways to pay your bill](https://www.t-mobile.com/support/account/pay-your-bill) - [All about your bill](https://www.t-mobile.com/support/account/whats-impacting-your-bill) - [Line permissions](https://www.t-mobile.com/support/account/set-online-permissions) - [Your T-Mobile ID](https://www.t-mobile.com/support/account/set-up-and-manage-your-t-mobile-id) - [Your PIN/Passcode](https://www.t-mobile.com/support/account/update-your-customer-pinpasscode) - [All account resources topics](https://www.t-mobile.com/support/account) - [Network & roaming](#) - [T-Mobile network](https://www.t-mobile.com/support/coverage/t-mobile-network) - [In-flight texting and Wi-Fi](https://www.t-mobile.com/support/coverage/t-mobile-in-flight-texting-and-wi-fi) - [Wi-Fi Calling](https://www.t-mobile.com/support/coverage/wi-fi-calling-from-t-mobile) - [International roaming](https://www.t-mobile.com/support/coverage/international-roaming-services) - [Mobile Without Borders](https://www.t-mobile.com/support/coverage/mobile-without-borders) - [All network & roaming topics](https://www.t-mobile.com/support/coverage) - [Plans support](#) - [Find the right plan](https://www.t-mobile.com/support/plans-features/find-the-right-plan-for-you) - [Netflix on Us](https://www.t-mobile.com/support/plans-features/netflix-on-us) - [HotSpot plans](https://www.t-mobile.com/support/plans-features/mobile-internet-plans-for-hotspots) - [Voicemail](https://www.t-mobile.com/support/plans-features/voicemail) - [Use Mobile HotSpot](https://www.t-mobile.com/support/plans-features/smartphone-mobile-hotspot-wi-fi-sharing--tethering) - [All plans support topics](https://www.t-mobile.com/support/plans-features) - [Device assistance](#) - [Tutorials](https://www.t-mobile.com/support/tutorials) - [Troubleshooting](https://www.t-mobile.com/support/phones-tablets-devices/troubleshooting) - [Unlock your device](https://www.t-mobile.com/support/devices/unlock-your-mobile-wireless-device) - [Protect your device](https://www.t-mobile.com/support/devices/protectionandlt360andgt-and-device-protection) - [SIM card & eSIM](https://www.t-mobile.com/support/devices/sim-esim) - [All device assistance topics](https://www.t-mobile.com/support/phones-tablets-devices) - [Business support](#) - [Get T-Mobile for Business](https://www.t-mobile.com/support/business/new-to-business) - [Billing and payments](https://www.t-mobile.com/support/business/billing) - [Manage your account](https://www.t-mobile.com/support/business/account) - [Orders and shopping](https://www.t-mobile.com/support/business/orders-shopping) - [Account Hub registration](https://www.t-mobile.com/support/business/account-hub-registration) - [All business support topics](https://www.t-mobile.com/support/business) [Support](https://www.t-mobile.com/support/) [T-Mobile for Business](https://www.t-mobile.com/support/community/business) # Switch to T-Mobile 0 Added! [](https://www.t-mobile.com) ### Manage Links Click any [available links](https://www.t-mobile.com) to add. Click any [added links](https://www.t-mobile.com) to remove. Links with [no highlight](https://www.t-mobile.com) can't be sent. Done (0 Links) Now that you’ve [prepared to switch to T-Mobile](https://www.t-mobile.com/support/business/prepare-to-switch), start switching your lines. We’ll walk you through the switching process to make it easy to join us. ## On this page: - [Start your line activation](https://www.t-mobile.com#activation) - [Register your Account Hub](https://www.t-mobile.com#register) - [Switch your numbers to T-Mobile](https://www.t-mobile.com#switch) - [Start using your service](https://www.t-mobile.com#start) ## [](https://www.t-mobile.com)Start your line activation - If you recently activated or purchased new lines, check for your Activation Confirmation email which contains the activated T-Mobile numbers, devices, and SIM card information in the shipment. - Your Activation Confirmation email will come from DoNOTReply\[email protected]   ## [](https://www.t-mobile.com)Register your Account Hub - The T-Mobile for Business Account Hub is your online portal, used to manage your account, billing, services, and more! - Use the registration steps in the email T-Mobile sent to the email address you provided:    - From: [email protected] - Subject: Welcome to T-Mobile for Business - Alternatively, use the steps on the [Account Hub registration](https://www.t-mobile.com/support/business/account-hub-registration) page to create an account, then [log in to Account Hub](https://www.t-mobile.com/business/accounthub) to manage your account.   ## [](https://www.t-mobile.com)Switch your numbers to T-Mobile - [Transfer your numbers](https://www.t-mobile.com/support/business/change-phone-number-account-hub) from your previous carrier, if applicable. - As you begin to transfer your numbers, select the temporary number you want to assign to the number you’re transferring. - Refer to the Activation Confirmation email to match the SIM Card Number and activated T-Mobile Phone Number to the transferring phone number. - Once submitted, the SIM card will be provisioned with the number that was transferred. - The number transfer process is typically immediate. If you experience any issues during the process, contact us [1-800-375-1126](tel:1-800-375-1126). - Back up your contacts, voicemail, and text messages prior to transferring your number to T-Mobile. - During the process, you may have dual service for up to 24 hours. Your service may be active on both carrier networks, __do not cancel your previous wireless service__ prior to receiving a transfer-completion confirmation text from T-Mobile. - Contact us if you’re transferring a landline number. These requests can take 2-10 business days to complete.   ## [](https://www.t-mobile.com)Start using your service - Begin using your new device by inserting the T-Mobile SIM card (which may already be installed on certain devices). - When activating a device that has an eSIM, use the [SIM card & eSIM](https://www.t-mobile.com/support/devices/sim-esim) page for detailed steps to activate. - eSIM only: If you brought your own device to T-Mobile and you activated with your eSIM, once you have transferred your number, remove your previous carrier’s eSIM profile. - Check out our [Device support](https://www.t-mobile.com/support/phones-tablets-devices) to locate steps for your device. - If you’re using a device from your previous carrier, you must ensure the device is unlocked to use a T-Mobile SIM card.   Get additional details about what to do [After you’ve switched to T-Mobile](https://www.t-mobile.com/support/business/after-switching-to-t-mobile). * * * Was this helpful? * * * ## Get answers from our T-Mobile Business Expert, 24/7. - [1-800-375-1126](tel:18003751126) - [@TMobileBusiness](https://twitter.com/TMobileBusiness) - [T-Mobile for Business](https://www.facebook.com/TMobileforBusiness)