Optimum Customer Service Phone Number

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Customers intending to get in touch with Optimum with regard to queries concerned with Internet, TV, and Phone services may refer to given customer service phone numbers to avail assistance in an expedited manner.
  • Optimum Customer Service Phone Number: 1-866-218-3259
  • Optimum Connecticut- Residential Customer Service: 203-870-2583 | Residential Sales: 203-870-2491
  • Optimum Customer Service New Jersey - Residential Customer Service: 973-230-6046 | Residential Sales: 973-230-2036
  • Optimum Long Island - Residential Customer Service: 631-393-0636 | Residential Sales: 631-393-0706
  • Optimum Customer Service NY: Bronx / Brooklyn / Westchester - Residential Customer Service: 718-860-3513 | Residential Sales: 718-975-1179

Optimum Customer Service Business

  • Optimum Customer Service / Billing Suppoet: 888-276-5255 | 24 hours 7 days a week
  • Optimum Technical Support (Internet, Phone & TV): 888-276-525524 hours 7 days a week
  • Sales: 855-267-84688 a.m. - 7 p.m. Monday - Friday
  • Installation & Pending Surveys: 855-267-8468 | 8 a.m. - 7 p.m. Monday - Friday