- AT&T Inc. is an American telecommunications company founded in 1983, providing various services worldwide with over 254,000 employees.
- AT&T offers a wide range of customer service numbers for different services including wireless, internet, technical support, and more.
- AT&T Star Codes facilitate activations and deactivations of services like call forwarding, three-way calling, and caller ID blocking for customers’ convenience.
Are you an AT&T customer seeking information about AT&T Star codes, USSD codes, and their Customer Service numbers? You’re in the right place! In this updated guide, we’ll provide you with a comprehensive list of AT&T’s star and USSD codes, along with their 24/7 customer support contact details. Keep reading to get all the information you need.

AT&T Codes and Customer Service Number | itechhacks
AT&T Inc. is an American telecommunications company that was formerly known as Southwestern Bell Corporation and SBC Communications. It was founded in the year 1983, which is approximately 35 years ago! This company is primarily based in the United States but provides its services all over the world. It has more than 254,000 employees, which illustrates the size of this telecommunications company! There are various services provided by this company, which include fixed telephone services, mobile telephone services, internet service, home security service, etc.
Since it provides so many services, there have to be maintenance services for each department! Also, there have to be instances where a particular customer is facing some difficulty in using any of these services provided by AT&T company. It is difficult for people living far away from the customer service centers to physically visit them, whenever they face an issue.
Thus, AT&T has various customer service numbers which can be used to contact AT&T employees and solve your issue without visiting the customer service centers. This also proves helpful for people who need to inquire about the charges for a new connection.
AT&T Customer Service Numbers 2024

AT&T Customer Service Number
Wireless customer service – 611 from AT&T mobile phone/ 800.331.0500 Every day, 8 a.m. – 9 p.m. local time.
AT&T PREPAID customer service – 611 from AT&T mobile/ 800.901.9878 Every day, 7 a.m. – 12 a.m. ET.
Internet customer service – 800.288.2020 Monday – Friday, 8 a.m. – 7 p.m. local time. Saturday, 8 a.m. – 5 p.m. local time.
Order new wireless service – 888.333.6651 Monday – Friday, 8 a.m. – midnight ET. Saturday and Sunday, 8 a.m. – 11 p.m. ET.
ConnecTech paid technical support – 866.294.3464 Every day, 8 a.m. – 11 p.m. ET.
Support for travel abroad – FREE from mobile phone + 1.314.925.6925 Available 24/7.
Order new Internet service – 866.861.6075 Monday – Friday, 8 a.m. – 10 p.m. ET. Saturday and Sunday, 8 a.m. – 5 p.m. ET.
Digital Life customer service and monitoring – 855.288.2727 Available 24/7.
Landline – Home phone customer service – 800.288.2020 Monday – Saturday, 9 a.m. – 6 p.m. local time.
DIRECTV customer service – 800.288.2020 Every day, 8 a.m. – midnight ET.
DIRECTV technical support – 800.288.2020 Available 24/7.
U-verse TV customer service – 800.288.2020 Monday – Friday, 8 a.m. – 7 p.m. local time. Saturday a.m. – 5 p.m. local time.
U-verse TV technical support – 800.288.2020 Available 24/7.
Order new U-verse TV service – 844.827.7057 Monday – Friday, 8 a.m. – 10 p.m. ET. Saturday and Sunday, 8 a.m. – 5 p.m. ET.
Wireless Home Phone customer service – 800.331.0500 Every day, 8 a.m. – 9 p.m. local time.
AT&T Wireless Internet customer service – 800.331.0500 Every day, 8 a.m. – 9 p.m. local time.
Order new Fixed Wireless Internet service – English 877.990.0041 Spanish 877.990.0046 Monday – Friday, 8 a.m. – 8 p.m. ET. Saturday, 8 a.m. – 5 p.m. ET.
ConnecTech paid technical support – 866.294.3464 Monday – Sunday, 8 a.m. – 11 p.m. ET.
DSL technical support – 800.288.2020 Every day, 7 a.m. – 11 p.m. ET.
Dial-up customer service – 800.288.2020 Monday – Friday, 8 a.m. – 5 p.m. local time.
AT&T Star Codes 2024

AT&T Star Codes
Call Forwarding – *72 to activate *73 to deactivate.
Repeat Dialing – *66 to activate.
Selective Call Forwarding – *63 to activate *83 to deactivate.
Three-Way Calling – *71 to activate.
Call Screen – *60 to activate *80 to deactivate.
Speed Calling – *74 to activate *75 to deactivate.
Caller ID Complete Blocking – *82.
Anonymous Call rejection – *77 to activate *87 to deactivate.
Call Trace – *57.
Priority Ringing – *61 to activate *81 to deactivate.
Busy Call Forwarding – *90 to activate *91 to deactivate.
Call Return – *69 to activate *89 to deactivate.
AT&T three-digit codes
Call Forwarding – 441
Repeat Dialing – 475
Selective Call Forwarding – 450
Three-Way Calling – 477
Call Screen – 501
Speed Calling – 507
Caller ID Complete Blocking – 535
Anonymous Call rejection – 537
Call Trace – 505
Priority Ringing – 503
Busy Call Forwarding – 448
Call Return – 473