Optimum Customer Care Number

Organization: 
Toll free Number(s): 
  • 1-866-218-3259 (US)
  • 1-866-200-7273 (US)
  • (800) 735-5379 (Optimum Stores)

Support Hours

Monday - Friday, 7 a.m. - 11 p.m.
Saturday, 7 a.m. - 10 p.m.
Sunday, 7 a.m. - 10 p.m.

Stores Support Hours

Ph: (800) 735-5379

Day of the Week Hours
Monday 8:30 am - 5:30 pm
Tuesday 8:30 am - 5:30 pm
Wednesday Open until 5:30 pm
Thursday 8:30 am - 5:30 pm
Friday 8:30 am - 5:30 pm
Saturday 9:00 am 5:00 pm
Sunday Closed

Important Links

App

Contact Details

Connecticut

Residential Customer Service 203-870-2583
Residential Sales 203-870-2491

New Jersey

Residential Customer Service 973-230-6046
Residential Sales 973-230-2036

Long Island

Residential Customer Service 631-393-0636
Residential Sales 631-393-0706

NY: Bronx / Brooklyn / Westchester

Residential Customer Service 718-860-3513
Residential Sales 718-975-1179

Optimum Business Services

Functions/Department Contact Us Hours of Operation Days
Customer Service / Billing Chat with Customer Service
888-276-5255
24 hours 7 days a week
Technical Support
(Internet, Phone & TV)
Chat with Technical Support
888-276-5255
24 hours 7 days a week
Sales Chat with Sales
855-267-8468
8 a.m. - 7 p.m. Monday - Friday
Installation & Pending Surveys 855-267-8468 8 a.m. - 7 p.m. Monday - Friday

Address

Optimum
609 Center Ave
Mamaroneck, NY 10543
Ph: (866) 950-3278

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