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USRobotics Support Contacts

Please note that some support information may refer to your modem as a "3Com USRobotics" product. Support information may reside on the 3Com Web site.

Please select from the menu below:

Technical Support

E-mail a Technician

If the support information in this section doesn't help you solve your problem, you can fill out a form to E-mail a Technician with questions regarding your product: 

Outside North America Products

All international support contact information can be found at USRobotics International Contacts.

Business Class Products (Courier Modems & Gateways, Console Servers, Network Taps)

Support Phone: (888) 326-6099

Consumer Products

Support Phone: (888) 428-9450

Call Director Products Only (USR4000, USR4005, USR4009)

Support Phone: (877) 762-0132. 
Monday - Friday 8:00 a.m. - 5:00 p.m. EST. 
NOTE: This number does NOT offer support for modems, only USR4000 Call Director or USR4005/USR4009 Call Director Pro.

Warranty Service

To obtain warranty repair service, you must first contact a Customer Service Representative using the appropriate Technical Support number corresponding to your product.


Sales Support

These are NOT technical support numbers.

General Pre-sales Issues

If you have questions about products contact USRobotics: call Toll Free: (877) 710-0884 or e-mail using our online e-mail form

Questions about your order?

If you have questions about an order placed through this Web site please call toll free: 800-356-2049 x 4600.

Helpful Links

Modem Updates

If you would like to find out if an update is available for your sportster modem, visit the V.92 Upgrade page or visit your individual product's support page.

Registering Your Modem

Use the Warranty Registration Form to register your modem.

Modem Repairs

Learn how to send in your modem for repairs at the Repairs page.

Product Code

Having trouble finding your product code? Visit the Support 101 page.

E-mail the Webmaster

If you are having problems with the Web site, please fill out a form to e-mail the Webmaster.

3Com Technical Support

You may find some additional support information at