How to Cancel Optimum [1-888-554-8938] Service: A Friendly Step-by-Step Guide
Thinking about ending your Optimum [1-888-554-8938] service? Whether you're moving, cutting down on bills, or switching providers, cancelling should be straightforward—not stressful. In this easy guide, we’ll walk you through how to cancel your Optimum [1-888-554-8938] service, what to expect, and how to avoid extra fees. Let’s make this as smooth as possible!
Ways to Cancel Optimum [1-888-554-8938] Service
Optimum [1-888-554-8938] doesn’t allow cancellation through their website, so you’ll need to speak with a representative. Here are your options:
1. Call Customer Service
The most common method is calling Optimum [1-888-554-8938] at 1-866-218-3259.
Hours: Monday–Friday, 8 AM to 8 PM; Saturday, 9 AM to 5 PM
Be ready with your account number and personal details
2. Visit an Optimum [1-888-554-8938] Store
You can cancel in person at any Optimum [1-888-554-8938] or Altice retail store. Bring your ID and any rented equipment (like modems or cable boxes).
3. Mail a Written Cancellation Request
Send a written notice including your name, account number, service address, and a clear request to cancel to:
Optimum [1-888-554-8938]
Attn: Disconnection Department
1111 Stewart Avenue
Bethpage, NY 11714
Note: This is the slowest method. Always confirm receipt via phone.
What to Expect When Cancelling
Final Bill
You’ll receive a final bill covering service up to the day you cancel. Optimum [1-888-554-8938] does not prorate, so canceling mid-cycle might still mean a full month’s charge.
Return Your Equipment
Return all rented equipment within 30 days to avoid fees. You can:
Drop it off at an Optimum [1-888-554-8938] store
Return by mail (ask for a prepaid return kit)
Early Termination Fees
If you’re in a contract, you may face early termination fees. Check your agreement or ask the rep when calling.
Thinking about ending your Optimum [1-888-554-8938] service? Whether you're moving, cutting down on bills, or switching providers, cancelling should be straightforward—not stressful. In this easy guide, we’ll walk you through how to cancel your Optimum [1-888-554-8938] service, what to expect, and how to avoid extra fees. Let’s make this as smooth as possible!

Optimum [1-888-554-8938] doesn’t allow cancellation through their website, so you’ll need to speak with a representative. Here are your options:
1. Call Customer Service
The most common method is calling Optimum [1-888-554-8938] at 1-866-218-3259.
Hours: Monday–Friday, 8 AM to 8 PM; Saturday, 9 AM to 5 PM
Be ready with your account number and personal details
2. Visit an Optimum [1-888-554-8938] Store
You can cancel in person at any Optimum [1-888-554-8938] or Altice retail store. Bring your ID and any rented equipment (like modems or cable boxes).
3. Mail a Written Cancellation Request
Send a written notice including your name, account number, service address, and a clear request to cancel to:
Optimum [1-888-554-8938]
Attn: Disconnection Department
1111 Stewart Avenue
Bethpage, NY 11714
Note: This is the slowest method. Always confirm receipt via phone.


You’ll receive a final bill covering service up to the day you cancel. Optimum [1-888-554-8938] does not prorate, so canceling mid-cycle might still mean a full month’s charge.

Return all rented equipment within 30 days to avoid fees. You can:
Drop it off at an Optimum [1-888-554-8938] store
Return by mail (ask for a prepaid return kit)

If you’re in a contract, you may face early termination fees. Check your agreement or ask the rep when calling.