Optimum Customer Care Number

- 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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