Guardian Service Overview
Telephone Technical Support
On-Site Engineering Support
Web Tools & Software
3Com Service Agreement Terms and Conditions
Telephone Technical Support

3Com Networking Product Support: 1-800-876-3266
(Select Option 2)

Standard Business Hours for Telephone Technical Support: 9.00 a.m. - 5.00 p.m.
Local Time, Monday - Friday, excluding public holidays

When you call, please have the following information ready:

  • Master Contract number
  • Site Company name and address where the product is located
  • Product part number and version
  • Description of the problem
  • Complete error message

A 3Com engineer will respond within one hour of your call during standard business hours.