DSL Extreme
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Contact Us via Phone or Mail

Is your question one of our common issues? If so, click any of the links before contacting us:
Department
Phone Number
Hours of Operation
Chat/Email
Sales & Information (866) 243-8638 M-F 6am-7pm PST
Sat 7:30am-7pm PST
Sun 8am-7pm PST
Send an Email
Business Sales & Info. (800) 949-3759 Available 24 Hours Send an Email
Billing Department (800) 774-3379 M-F 8:30am-5pm PST Send an Email
High-Speed DSL Support (866) 491-7221 Available 24 Hours Send an Email
Dialup Support (877) 714-7549 M-F 7am-7pm PST Send an Email
Website Hosting Support (866) 245-5154 Available 24 Hours Send an Email
Fax Number
(818) 206-0326

Mailing Address
DSL Extreme
9221 Corbin Ave - Suite 260
Northridge, CA 91324

Modem Returns
DSL Extreme
9221 Corbin Ave - Suite 155
Northridge, CA 91324

 
    
  I want to thank the person that helped me. They were great and I learned 2 new things about my email.  
 

From Talia S.
 
t
  • @wasi_r @DSL Extreme Thanks for the awesome service. I am loving it. Also thanks to @leolaporte and @TWiT
  • @jank0 Wanted to thank @DSL Extreme