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AT&T Office@Hand

Learn how to use features from AT&T Office@Hand. Access our self-help options to set up and use this application to communicate with customers.

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Billing Updates for Customers – Account Numbers not beginning with 831 only – AT&T Office@Hand
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Key Contact Updates for Customers – Account Numbers not beginning with 831 only – AT&T Office@Hand

Key Contact Updates for Customers – Account Numbers not beginning with 831 only

Sometime between July and December 2023, Customers whose account number does not begin with 831 will be upgraded to the latest Office@Hand platform. Your contacts to service your account will change.

To make adds, changes, deletes to your Office@Hand purchased quantities, you will need to contact the TCC
Before your upgrade:
866-563-4703 option-1, then option 4
Monday – Friday 8:00 AM to 8:00 PM ET		 After your upgrade:
1-800-615 -0708 option-1, then option 4 Monday – Friday 8:00 AM to 8:00 PM ET
For billing inquiries you will need to contact us online Business Direct Portal or call 1-800-218-8658.
Before your upgrade:
1-866-563-4703		 After your upgrade:
Business Direct Portal or call 1-800-218-8658
For payment remit via check
AT&T MOBILITY
P.O. Box 6463
Carol Stream, IL 60197-501		 After your upgrade:
AT&T
P.O. Box 5019
Carol Stream, IL 60197-501
For support issues including reporting trouble
Before your upgrade:
1-866-563-4703		 After your upgrade:
Business Direct Portal or call 1-800-615-0708. Hours of operation are 24 hours a day, 7 days a week

 

Please continue to use your current contacts until your upgrade. We will contact the Customer administrator on file via email as we get closer to your migration date.