AT&T Universal Card Login Customer Service

AT&T Universal Card Login Customer Service

This article will answer all your questions about AT&T universal card login, bill payments options, setting up ATT Universal Card Payment Bill, canceling an account, and more. AT&T’s credit card was issued by Citigroup.

This article provides complete information about AT&T Universal Login and AT&T Universal CardPay Address, AT&T Universal Log In and AT&T Universal Log In. Individuals are advised to read the following page and gather all information.

An AT&T Universal CardHolder is required to be able to access your account online and make payments. AT&T is a global telecommunications company. Millions of people can access AT&T’s television, phone, and internet services.

AT&T Universal Card Login Customer Service

The telecommunications company offers a variety of competitive credit cards that are available to a broad range of customers, both for personal and business use.

To view your statement or make a payment with AT&T Universal Credit Card Login, you will need to log in. Online account management is possible through AT&T Universal Card Login.

AT&T Universal Card Bill Payment

Online Payment:

  • AT&T offers an online account service that allows you to manage your account and make online payments.
  • To make your AT&T Universal credit card payment click to log in, register, view your statement or manage your account online.

Phone Payment:

1-877-288-47777 is the AT&T Credit Card Payment Telephone Number.

More: 1 800 288 2020: AT&T Customer Service

Send Money by Mail:

Below is the AT&T Credit Card Payment Address. To verify your account number, it is recommended that you include the following information. It is important to know that your account number appears on your statement.

  • AT&T Universal Card
  • P.O. P.O. Box 183037
  • Columbus, OH 43218-3037

At&T Universal Card Customer Service

Average wait time: 5 minutes

Phone Numbers

  • Contact: 800-423-4343
  • 800-423-4343 (Support).

AT&T Universal Card Type

AT&T Universal Card comes in two versions: personal and business cards.

Personal cards:

  • Universal Savings Platinum
  • Universal Savings and Reward


Po Box 6500 Sioux Falls, Sd 57117 (Headquarters)

At&T Universal Card Open Hours

Monday From 9:30 AM to 5:30PM
Tuesday From 9:30 AM to 5:30PM
Wednesday From 9:30 AM to 5:30PM
Thursday From 9:30 AM to 5:30PM
Friday From 9:30 AM to 5:30PM
Saturday From 9:30 AM to 12:20 PM
Sunday Closed

More Information

Name At&T Universal Card
Also known as Citigroup, Inc.
Services offered Credit Card
Categories Banks & Credit Cards

Are you looking for a new customer to join our family? Register Now

Are you looking for your User ID? Click Here

Forgot your password? Forgot your password?

Login directly: Click Here

Official Site: Click Here

Sign up now to pay Click Here

Register to get online access: Click Here

Business Cards:

The contact information for the business card call center has been provided. Contact customer service if you have any questions about business At&T Universal Card.

  • Customer service: 1-877-288-4577
  • Technical Assistance: 1-866-422-3091
  • Internet Security: 1-888-285-99696
  • Lost/Stolen Card: 1-877-288-4577

Register for AT&T Universal Card Online Access.

  • Logon to the official Website of the universal card –
  • You will now be redirected directly to Citi’s sign-in page.
  • For AT & T Universal Card, check the ‘Sign On” box.
  • Click the link “Registration for Online Acces”
  • You will then be taken to the registration page.
  • For account verification, enter your 16-digit AT&T Universal credit/debit number.
  • For verification, two other options are available: Paycheck Protection Program Loan Number Number and Bank Account Number.
  • You will need to click the “Continue Setting Up” button in the 7th step.
  • Next, enter your personal information to verify.
  • After entering all details, click the Continue button.
  • Next, you will need to create a username and password for AT&T Universal Card Online Access.
  • Click on the Register/Sign Up button.
  • They will verify your details in the final step. After the verification process is complete, you will receive an email regarding your account creation.

Login to AT&T Universal Card Online:

After completing the registration, you can log on to and manage your card online. Citi Online Services also offers additional benefits.

  • Go to the website.
  • You will find a sign at the top right of the homepage.
  • Your AT&T username and password are required.
  • You can save login credentials by ticking the “Remember My User ID” option.
  • Next, click on “Sign on”
  • All features and benefits can be enjoyed by users, including the ability to pay, receive alerts, and get notifications.

AT&T Universal Card Customer Service Contact Details

  • Universal Call Center Phone Number:1-823-4343
  • Online Chat: Click Here
  • Mailing address: Citibank Customer Service. P.O. Box 6500, Sioux Falls, SD 57117
  • Official Website:


  • Registrant Name: Domain Administration
  • Organization: CitiBank N.A.
  • Street: 390 Greenwich Street
  • Registrant City: New York
  • Registrant State/Province: N.Y.
  • Postal code: 10013
  • Registrant Country: US
  • Telephone: +1.7182480307
  • Registrant Fax: +1.4692209949
  • Registrant Email: [email protected]

AT&T Universal Card Helpdesk Centre Operating hours

  • Monday through Thursday: 8:00 AM to 11:00 PM ET
  • Friday: 8:00 AM to 9:00 PM ET
  • Saturday: 8:00 AM to 8:00 PM ET
  • Sunday 9:00 AM to 8:00 PM ET

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