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Learn about phone calling features and star codes

Customize your AT&T Phone or AT&T Phone - Advanced features to work for you.


You get a variety of calling features with your AT&T Phone service. Features can be turned on and off through your phone portal or using the following star codes.

Call forwarding
FeatureDescriptionTurn onTurn off 
All Call ForwardingForward incoming calls to an alternate numberDial *72, enter a forwarding number, then press #Dial *73#
Busy Call ForwardingForward all incoming calls to another number when your line is busyDial *90, enter a forwarding number, then press #Dial *91#
No Answer Call ForwardingSend missed calls to voicemail or to another numberDial *92, enter a forwarding number, then press #Dial *93#
Safe Call ForwardingForward calls to an alternate number in the event of a service disruptionDial *372, enter a forwarding number, then press #Dial *373#

 

Call filtering
FeatureDescriptionTurn onTurn off
Call BlockingPrevent calls from up to 100 numbers from ringing through to your phoneDial *61 to block individual unwanted inbound calls

Learn how to set up and manage a call blocking list online
Dial *80

Deactivate online in the Phone Portal
Call ScreeningAccept calls from up to 20 designated numbers onlyActivate online in the Phone PortalDial *84#
Exclusive Call ForwardingForward calls from up to 20 phone numbers to another phone numberActivate online in the Phone PortalDial *83#
Digital Phone Call Protect Automatically block calls from likely scammers and get alerts about suspected spam2Activate online in the Phone Portal 

 

Incoming calls
FeatureDescriptionTurn onTurn off
Anonymous Call BlockingPrevent calls from callers who block their Caller ID informationDial *77#Dial *87#
Caller IDDisplay your Caller ID information when you make an outgoing callCaller ID is turned on by default with Phone service 
Caller ID on TVDisplay incoming Caller ID information on TV screenActivate online in the Phone PortalDeactivate online in the Phone Portal
Call TraceTrace the number of the call you received last. Note that there is a fee for each use of Call Trace which varies by area.1Dial *57# 
Do Not DisturbPrevent all incoming calls from ringing through, giving callers a busy signalDial *78# Dial *79#
Locate MeRing incoming calls to your phone number and up to four other numbersActivate online in the Phone PortalDial *313#

FYI: You must subscribe to U-verse TV to display Caller ID information on your TV.

 

Outgoing calls
FeatureDescriptionTurn onTurn off
Caller ID BlockingBlock your name and number on all outgoing callsActivate online in the Phone PortalDeactivate online in the Phone Portal
Caller ID Blocking (single call)Block your name and number on a per call basisDial *67, the number you are calling, then press #Dial *82, the number you are calling, then press #
Call WaitingPlay an audible tone when an incoming call is waiting to be answeredCall Waiting is activated by default with Phone service 
Cancel Call Waiting (all calls)Stop Call Waiting for all calls so you are not interruptedDial *370#Dial *371#
Cancel Call Waiting (single call)Stop Call Waiting on a per-call basis so you are not interruptedDial *70, the number you are calling, then press #Call Waiting resumes when you end your call
Cancel Call Waiting (mid-call)Stop Call Waiting during an active callPress Flash, dial *70#, then press #Call Waiting resumes when you end your call
Directory Assistance BlockingPrevent all outgoing calls to Directory AssistanceActivate online in the Phone PortalDeactivate online in the Phone Portal
International Call BlockingPrevent outgoing calls to international numbersActivate online in the Phone Portal 
Three-way CallingAdd a third party to an existing conversationPress Flash (or get a dial tone), dial the third party, press Flash againEnd your call


See all important details

Use these star codes to manage your AT&T Phone Advanced features.

Call forwarding
FeatureDescriptionTurn onTurn off 
All Call ForwardingForward incoming calls to an alternate numberDial *72, enter a forwarding number, then press #Dial *73#
Busy Call ForwardingForward all incoming calls to another number when your line is busyDial *90, enter a forwarding number, then press #Dial *91#
No Answer Call ForwardingSend missed calls to voicemail or to another numberDial *92, enter a forwarding number, then press #Dial *93#
Safe Call ForwardingForward calls to an alternate number in the event of a service disruptionDial *372, enter a forwarding number, then press #Dial *373#

 

Call filtering
FeatureDescriptionTurn onTurn off
Call BlockingPrevent calls from up to 100 numbers from ringing through to your phoneDial *61 to block individual unwanted inbound calls
Dial *80
Anonymous Call BlockingPrevent calls from callers who block their Caller ID informationDial *77#Dial *87#
Digital Phone Call ProtectAutomatically block calls from likely scammers and get alerts about suspected spam2Digital Phone Call Protect is automatically turned on for this service.l Call 844.357.4784 to request to be turned off.

 

Incoming calls
FeatureDescriptionTurn onTurn off
Caller IDDisplay your Caller ID information when you make an outgoing callCaller ID is turned on by default with Phone service 
Call TraceTrace the number of the call you received last. Note that there is a fee for each use of Call Trace which varies by area.1Dial *57# 
Do Not DisturbPrevent all incoming calls from ringing through, giving callers a busy signalDial *78# Dial *79#

 

Outgoing calls
FeatureDescriptionTurn onTurn off
Caller ID Blocking (single call)Block your name and number on a per call basisDial *67, the number you are calling, then press #Dial *82, the number you are calling, then press #
Call WaitingPlay an audible tone when an incoming call is waiting to be answeredCall Waiting is activated by default with Phone service 
Cancel Call Waiting (all calls)Stop Call Waiting for all calls so you are not interruptedDial *370#Dial *371#
Cancel Call Waiting (single call)Stop Call Waiting on a per-call basis so you are not interruptedDial *70, the number you are calling, then press #Call Waiting resumes when you end your call
Cancel Call Waiting (mid-call)Stop Call Waiting during an active callPress Flash, dial *70#, then press #Call Waiting resumes when you end your call
Three-way CallingAdd a third party to an existing conversationPress Flash (or get a dial tone), dial the third party, press Flash againEnd your call


See all important details

Last updated: April 18, 2025

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