More ways to use your number

 

Ever wish you could make or receive a call when you didn’t have your phone? With NumberSync, you can use your smartphone number on any compatible device. Make or receive calls using your smartphone number, whether or not your smartphone is handy.

BENEFITS

Freedom and convenience

 

With NumberSync:

  • You can use your smartphone number with multiple devices
  • Friends and family can recognize your call even when
    using a device other than your phone
  • Make and receive calls and texts* from whichever synced
    device you choose

NumberSync

Turn your other Apple devices into additional phones that all share the same AT&T smartphone number as your iPhone. You don't need a separate number to make or receive calls on your other devices. What’s more, you can make a call over Wi-Fi or an AT&T mobile broadband connection without even having your smartphone powered on.

COMPATIBILITY

Compatible NumberSync devices:

  • Most iPad device running iOS 9.3 or later
  • Apple Watch Series 1, 2, or 3 running watch OS 2 or later (non-cellular)
  • Most iPod touch devices running iOS 9.3 or later
  • Most Mac computers running OS X El Capitan

For information on Apple Watch Series 3 with cellular, see the Apple Watch (Cellular) tab.

FAQ

  • Your mobile phone must be an iPhone 6, 6 Plus, 6s, or 6s Plus running iOS 9.3 or later.
  • You must enable Wi-Fi Calling on your iPhone first. For information on how to set up Wi-Fi Calling, visit the Wi-Fi Calling support page.
  • You need to have a compatible NumberSync device. Your smartphone and compatible devices must share the same Apple ID.
  • Your NumberSync device must have access to a broadband connection. This can be over Wi-Fi, wired broadband, or AT&T mobile broadband.
  • For more about setting up NumberSync, please visit the NumberSync support page.

NumberSync works even if your iPhone is turned off or your Apple devices are on different Wi-Fi networks. With NumberSync, the synced devices just need to have access to the Internet with a Wi-Fi, wired broadband, or AT&T mobile broadband.

There’s no additional cost beyond that of the wireless rate plans for your smartwatch and smartphone. Note that data rates, rather than messaging rates, apply when you use NumberSync to send and receive text messages.

Yes. You can make NumberSync calls by connecting to the Internet through an international Wi-Fi hotspot. NumberSync calls to domestic numbers incur no voice airtime or usage charges. Calls to international numbers incur International Long Distance charges based on your smartphone rate plan or International Long Distance package.

You can sync up to five (5) smartwatches AT&T mobile number.

Yes, if all of the devices have NumberSync turned on, all your devices will ring. You can manually turn NumberSync off for each device.

No. NumberSync will not support calls over TTY devices, including 911 calls. To reach 911 service, persons with communications disabilities may do on of these: (1) Call 911 directly using a TTY from a wireless phone over the cellular network or from a landline telephone. (2) Send a text message to 911 directly (in areas where text-to-911 is available) from a wireless device. (3) Use relay services to place a TTY or captioned telephone service (CTS) call from a wireless phone over the cellular network or from a landline telephone. (4) Use relay services to place an IP Relay or IP CTS call over a cellular data or other IP network. View RTT progress

NumberSync for Android tablets


With NumberSync, you can use your smartphone number to make and receive calls on your tablet. Use the same number your friends, family, and colleagues already know. NumberSync even works if your smartphone isn’t with you, nearby, or powered on.

  • Voice and AT&T Video Call: Now you have two ways to call
  • One number: Calls and texts* from your tablet will display as your smartphone number
  • Simultaneous ring: Calls to your mobile phone will ring all synced devices at the same time
COMPATIBILITY 

Devices that support NumberSync

To use NumberSyncSM for tablets, you need an AT&T HD Voice enabled smartphone. Visit att.com/hdvoice for more information and a list of devices that support AT&T HD Voice.

To use video calling on your tablet, you need a smartphone that supports AT&T Video Call.

Select Shop now to see if your tablet supports NumberSync or to purchase a compatible tablet.

FAQ

NumberSync allows you to sync your AT&T smartphone number with an Android tablet to make and receive voice and Video Calls using your smartphone number as the caller ID.

  • You need an AT&T smartphone with HD Voice service enabled (for voice-only service).

  • To use AT&T Video Call service on the tablet, you need an AT&T Video Call-capable smartphone.

  • You need an eligible tablet designed to be used with AT&T service.

  • You need access to a broadband Internet connection (Wi-Fi, AT&T mobile broadband, etc.) for your tablet device.

    Note: When using Wi-Fi, call quality may vary depending on the strength of the Wi-Fi network.

There is no additional cost for using NumberSync.

There are no voice airtime use charges if you use NumberSync to make calls to or from the U.S., Puerto Rico, or the U.S. Virgin Islands. For international calls, international long distance rates apply based on your smartphone’s rate plan or International Long Distance package.

You also will be billed standard data charges under your tablet’s plan if you use NumberSync over the AT&T mobile broadband network. This includes standard rates in the U.S., Puerto Rico, and the U.S. Virgin Islands. It also includes international roaming data rates when traveling abroad.

Yes, if you are connected to the Internet. Calls made from outside the United States are charged as follows.
 

  • Calls from Internet-enabled Wi-Fi hotspots
    • Calls are billed the same as for a domestic Wi-Fi hotspot
       
  • Calls from the cellular data network of your roaming partner
    • These calls will be subject to international data roaming charges. Actual charges will be based on your tablet’s data rate plan.
       
  • Wi-Fi calls made to U.S. numbers
    • These are billed the same as domestic calls no matter what country you are calling from.
       
  • Wi-Fi calls made to non-U.S. numbers
    • Charges for these calls are based on your smartphone’s rate plan or international long distance package.

You can sync up to five compatible devices with NumberSync.

Yes, if all of your devices have NumberSync turned on, all your devices will ring. You can manually turn NumberSync off for each device by following the instructions in the support article about NumberSync for Android tablets.

No. NumberSync will not support calls over TTY devices, including 911 calls. To reach 911 service, people with communications disabilities may do one of these: (1) Call 911 directly using a TTY from a wireless phone over the cellular network or from a landline telephone. (2) Send a text message to 911 directly (in areas where text-to-911 is available) from a wireless device. (3) Use relay services to place a TTY or captioned telephone service (CTS) call from a wireless phone over the cellular network or from a landline telephone. (4) Use relay services to place an IP Relay or IP CTS call over a cellular data or other IP network. View RTT progress

NumberSync for wearables


NumberSync from AT&T gives you the freedom to use your primary smartphone number on your compatible smartwatch. Your phone doesn’t even need to be nearby or powered on

  • Leave the phone behind: Use your smartphone number to make and receive calls and text messages on your smartwatch, even when it’s outside of Bluetooth® range
  • One number: Calls and texts* from your smartwatch will display as your smartphone number
  • One voicemail: Check your smartphone voicemails from your synced smartwatch
COMPATIBILITY

Devices that support NumberSync for wearables

 

To use NumberSync for wearables, you’ll need a smartphone that’s been enabled for AT&T HD Voice. Visit att.com/hdvoice for a device listing and more details.

We’re proud to offer NumberSync on:

To learn more about the NumberSync service with an Apple Watch Series 3 with cellular, go to the Apple Watch (Cellular) tab.

Already have your smartwatch set up with NumberSync for wearables?

FAQ

NumberSync for wearables lets you use your smartphone number on your smartwatch. Now you can make and receive calls and send and receive text messages on your compatible smartwatch. The best part is that you don’t need to stay close to your phone to use NumberSync!  

To learn more about the NumberSync service with an Apple Watch Series 3 with cellular, go to the Apple Watch (Cellular) tab.

You need the following:

  • An AT&T postpaid wireless account that’s been set up for AT&T HD Voice

  • An AT&T HD Voice-compatible smartphone

  • A wearable device that supports NumberSync and has eligible AT&T wireless service
     
  • An AT&T User (Access) ID associated with the smartphone number
    Note: This ID is unique from what you may have created for DirecTV or UVerse

There’s no additional cost beyond that of the wireless rate plans for your smartwatch and smartphone. Note that data rates, rather than messaging rates, apply when you use NumberSync to send and receive text messages.

Check the Compatibility section above for a current list of smartwatches that are compatible with NumberSync. As new smartwatches are added, we’ll update that list.

To learn more about the NumberSync service with an Apple Watch Series 3 with cellular, go to the Apple Watch (Cellular) tab

You can sync up to five (5) smartwatches to your AT&T mobile number.

You can use NumberSync for wearables in the U.S., Puerto Rico, and U.S. Virgin Islands, and when roaming abroad. If you’re outside the AT&T-owned and -operated domestic coverage area, calls from your smartwatch will show your smartwatch's number, not your smartphone number. When roaming, the voice and data roaming rates for your wearable rate plan or international travel package will apply. 

No, they don’t. You can use NumberSync on your compatible smartwatch even if your smartphone is in a different location or turned off.

No, it’s not available yet for customers with smartphones on prepaid service. Remember, you need to have a compatible smartphone and smartwatch, and your smartphone account must be set up for AT&T HD Voice.

It’s easy to set up and manage your service through myAT&T. You can log in to the myAT&T smartphone app, or use the link below.

Log in to NumberSync >

Note that the manufacturer of your smartwatch may also provide unique steps to sync your smartphone and smartwatch.

 

Yes, you will be able to use NumberSync for wearables for your calls; however, the messaging experience will be limited. AT&T Messages Backup & Sync (AMBS) does not sync your text messages with your iPhone nor can you access iMessages from the smartwatch.

For the best possible experience while using the NumberSync for wearables service with iPhone, you’ll need to turn off iMessage® in order to receive all text messages on the smartwatch. On your iPhone, go to Settings, Messages, iMessage and select OFF. When not utilizing NumberSync for wearables, you can choose to turn iMessage back on.

To learn more about the NumberSync service with an Apple Watch Series 3 with cellular, go to the Apple Watch (Cellular) tab.

NumberSyncSM

Whether you’re on the go or going for a jog, you can leave your phone behind and stay connected with NumberSyncSM for Apple Watch (Cellular). Make and receive calls on your watch over a cellular connection, even when your phone is not nearby or powered on. You also can send and receive text* messages using your smartphone number your friends and family already know. For text messaging, just make sure your phone is powered on and connected to the AT&T network so all of your messages can be received on your watch.

Requirements to use NumberSyncSM for Apple Watch (Cellular)




  • Apple Watch Series 3 (GPS + Cellular)
  • An AT&T postpaid wireless account
  • An iPhone with HD voice and running iOS 11.0 or higher
  • An AT&T Wireless plan for the Apple Watch
  • Your iPhone and Apple Watch must be on the same billing account
  • An AT&T User ID (Access ID) that is associated with the iPhone number

For more information about how to set up NumberSync, please visit NumberSync for Apple Watch (Cellular) Overview

 

FAQ

NumberSync for Apple Watch (Cellular) lets your watch work on the AT&T domestic cellular network.1 You can talk and text* from your watch using your AT&T iPhone number and use cellular data. The watch must have its own cellular plan to use NumberSync for Apple Watch (Cellular) service.

Once you have purchased an AT&T cellular plan for your watch, you will use NumberSync for Apple Watch (Cellular) to automatically connect to the AT&T domestic cellular network, even when there is no available Wi-Fi network or your iPhone is not nearby.

NumberSync for Apple Watch (Cellular) works where the AT&T domestic network is available (U.S., Puerto Rico and the U.S. Virgin Islands). Calls and texts over Wi-Fi are also supported on the watch. The watch does not support cellular roaming when traveling abroad.

Yes, your watch must be synced with your iPhone to have access to the AT&T cellular service.

There is no additional cost beyond that of each cellular plan for the watch and iPhone. The following plans are eligible for the watch:

  • AT&T Unlimited Plus℠
  • AT&T Unlimited Choice℠
  • Mobile Share Advantage℠
  • Mobile Share Value®

Both NumberSync for Apple Watch (Cellular) and NumberSync for Apple let you turn other Apple devices into additional phones that all share the same AT&T smartphone number as your iPhone. The difference is NumberSync for Apple Watch (Cellular) lets your watch work on the AT&T domestic cellular network.

 

Yes, you can sync your Apple watch with any iPhone that has been set up for AT&T HD Voice on your billing account. NumberSync for Apple Watch (Cellular) requires the use of an iPhone set up with AT&T HD voice service running iOS version 11.0 or higher. To learn more about NumberSync service with other smartphones or other watches, go to the Wearables tab.

You can sync up to 3 Apple watches to a single iPhone. The iPhone and all synced watches must each have a cellular rate plan and be on the same billing account.


You can use data and make and receive calls on your watch even if your iPhone is off. However, in order to send or receive text messages your iPhone must be on and connected to the AT&T network.

Yes. You can place a call to 911 from your watch when connected to the AT&T cellular network even if your iPhone is off.

Yes. The Apple Watch Series 3 (GPS + Cellular) has an AT&T mobile number and associated plan that will appear on your monthly bill. Note, the watch mobile number cannot be used for voice, data or text messaging from the watch. Please remember to complete NumberSync setup to use your watch on the AT&T cellular network with your iPhone number. With NumberSync active, calls and messages using your watch will display your AT&T iPhone number.