Suddenlink Phone Numbers and Emails

Toll-Free Number:

  • (800) 490-9604
Send Message

Customer Service:

  • (877) 694-9474
    All Other Areas
  • (800) 244-2328
    Altice One Skill (for Optimum subscribers)
  • (888) 822-5151
    Altice One Skill (for Suddenlink subscribers)
  • (718) 860-3514
    Bronx - Brooklyn - Westchester, NY
  • (203) 870-2583
  • (888) 425-2090
    Covered Services
  • (877) 491-0050
    Hendersonville - West Jefferson, NC
  • (866) 611-3434
    Lightpath Account
  • (631) 393-0637
    Nassau - Suffolk Counties, NY
  • (973) 230-6048
    New Jersey - Pennsylvania
  • (800) 735-5379
    Norwalk Store
  • (866) 347-4784
    NY, NJ, CT, PA, Hendersonville, NC, and West Jefferson, NC
  • (516) 390-9018
    Optimum Online
  • (866) 360-2758
    Optimum Online
  • (800) 291-8564
    Report Cable Theft
  • (888) 705-7171
    Service Protection
  • (866) 218-3259


  • (833) 792-2122

Accounting/ Billing:

  • (866) 213-7456

Business Customer Service:

  • (855) 270-5527
    Business Premier Protection and Support
  • (888) 276-5255
  • (866) 575-8000

Business Sales:

  • (855) 267-8468

Sales/ Reservations:

  • (203) 870-2492
  • (631) 393-0707
    Long Island
  • (718) 975-1140
    NY: Bronx / Brooklyn / Westchester
  • (973) 230-2037
    Sparta, NJ
  • (866) 200-7273

Suddenlink Emails:

Customer Service
Lightpath Account
Emergency/ Hotline
DMCA Inquiries
Claim Your Business
More phone numbers and emails Less phone numbers and emails

Contact Information

Corporate Office Address:

CSC Holdings, LLC
1111 Stewart Avenue
Bethpage, New York 11714
United States

Suddenlink Customer Service Reviews

1.3 / 5
Struck by lightening

We were stuck by lightening and when we called I was sent to a live person and she scheduled a tech to come out and fix it. Unlike the other company we have...

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Shawon Gpq
No show twice for one service and a poor job done on another

Twice they didnt show up for appt. Last night, customer service was to call me back within 16 minutes. They never called. My internet isnt working properly...

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Summary of Suddenlink Customer Service Calls

05:48 AVG CALL

Top Reasons of Customers Calls

Consumers Call the Most From

Why Do People Call Suddenlink?

Payments and Charges Question:

  • “Need to pay internet bill”
  • “Unauthorized changes have been made to my sudden link code”
  • “Voy a pagar mi Bill”

Staff Question:

  • “Need service for Internet”
  • “Service not working and Bill is paid”
  • “Service is down”

Product/ Service Question:

  • “WiFi isn't working”
  • “My living room TV and cable box didn't work.I didn't have internet either.”
  • “My router is not working”

Request for Information Question:

  • “Check my bill”
  • “Appointment”
  • “Questions about my bill”

Activation/ Cancellation Question:

  • “Cancel service”
  • “Cancel internet”
  • “Canceled”

Account Question:

  • “Disputing balance due”
  • “Email account is out-of-date”
  • “WiFi password”

Return/ Replace Question:

  • “Trying to return equipment”
  • “Need a return label”
  • “Change address”

Shipping and Delivery Question:

  • “To get a shipping label to send a modem back”
  • “Wrong address for service”
  • “Have not got my cell phone”

Cards Question:

  • “Pin number”
  • “Card not activating”
  • “Gift cards not received”

Refund Question:

  • “Refund”
  • “Refund never hit my account and my services are suspended”
  • “I can't use this sim since my phone is locked and I want a refund”

Employment Question:

  • “I get paid tomorrow at 2pm my kids needs to do homework can u turned service back on”

Other Question:

  • “Need a extension”
  • “Hard reset on cable box”
  • “Internet acting up”


Related Companies

Altice, Optimum, Cablevision, Altice Mobile, Cheddar


Suddenlink is a top ten private provider of communication services in USA. It has about 1.4 million subscribers of cable broadband services operating in 18 states in mostly medium-sized communities. Suddenlink Communications, formerly Cebridge Connections headquarters in St. Louis, MO and it is part of Cequel Communications, LLC and it counts about 5700 employees. It traces the history from February 2003, when its management team undertaken management of the post-bankruptcy assets of Classic Communications, which served remote suburban areas, smaller towns, and rural communities. Among Suddenlink services and products are: Digital Cable, Video On Demand, High-Definition TV, High-Speed Internet, Digital Phone, Media Cable Advertising etc.

Suddenlink reviews and complaints

Suddenlink is ranked 451 out of 1640 in Telecommunications category

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