This article explains contact information for services related to cellular issues.

For general information:

AT&T Business End User Care: (800) 331-0500
Customers may contact this department Mon.-Sun. 6:00 a.m. to midnight.
Password required which is: (CHICAGO)

Verizon Business User Care: (800) 711-8300 from a land line
Or dial *611 from your Verizon mobile device

Note: Business User Care cannot add discounts, change rate plans, change user info., or answer billing inquiries.

For changes to your account and billing inquiries:

Call 2-5800, option 2, then option 2 or email 29100@uchicago.edu. Your call, along with any change, will be made on the next business day. You may be asked for the billing name and address which is: University of Chicago, 1307 E. 60th Street, Chicago, IL 60637.

If you already have service with AT&T and receive a new or replacement device:

Activation Group: (888) 444-4410
Hours of operation: Mon.-Fri. 7:00 a.m. to 7:00 p.m. Central Time.
Password required which is: (CHICAGO)

If you already have service with Verizon and receive a new or replacement device:

Please Note: If you order a new line of service, port or upgrade, your service will be active upon receiving your device.

For a malfunctioning phone:

If your phone is malfunctioning and is over 30 days old, contact AT&T Business Customer Care at 866-694-0327. You may be asked for a password (CHICAGO).

Verizon Users, contact Business User Care: (800) 711-8300 from a land line

If your phone is less than 30 days old, contact 2-5800 option 2, then option 2.

If you have purchased Apple Care you can contact Apple Care at 800-800-2775

For technical assistance when roaming internationally:

AT&T International Roaming Group: 1 (916) 843-4685
Password required which is: (CHICAGO)

Verizon International Roaming Group: 1 (908) 559-4899

Customers may contact this department for voice and technical assistance if they are roaming internationally.
Note: You must already have International dialing on your phone before you contact this group.