The fastest way to pay Optimum is through their website or mobile app

You can pay your Optimum bill online at optimum.ca, through the Optimum mobile app, or by phone at 1-888-999-9999. Online and app payments go through when ready and show up in your account right away. Phone payments take the same day if you call before 8 p.m. Eastern time.

If you set up automatic payments, Optimum will charge your bank account or credit card on your due date each month. You choose whether to pay the full balance or a minimum amount. Automatic payments remove the step of logging in each month, but you should still check your bill to make sure the amount is correct before the charge goes through.

You can also mail a check or money order to the address on your bill, though this takes 7 to 10 business days to reach Optimum and post to your account. Mail is the slowest option and carries the risk that your payment arrives after your due date.

Key Takeaways

  • Online and app payments process when ready; phone payments process the same day if you call before 8 p.m. Eastern time.
  • Automatic payments charge your bank account or credit card on your due date each month, so you do not have to remember to pay manually.
  • You can pay with a debit card, credit card, or bank account through the website or app, but payment methods vary by phone.
  • If you pay by mail, allow 7 to 10 business days for the payment to arrive and post, which may be after your due date.
  • Late fees explore if your payment does not post by the due date shown on your bill, regardless of when you sent it.

Paying through the Optimum website or app

Log into your account at optimum.ca or open the Optimum app on your phone. Click "Pay Bill" or the payment icon. You will see your current balance and due date. Enter the amount you want to pay — you can pay the full balance, a partial amount, or just the minimum.

Choose your payment method: debit card, credit card, or bank account. Enter the card or account details if you have not saved them before. Review the amount and due date one more time, then submit. The payment processes when ready, and you will see a confirmation number on screen. Optimum will send a receipt to your email address on file.

If you want to set up automatic payments through the website or app, go to "Manage Payments" or "Auto Pay" and enter your payment method and the amount. You can change or cancel automatic payments anytime through the same section.

Paying by phone or through automatic payments

Call Optimum customer service at 1-888-999-9999 to pay over the phone. A representative will ask for your account number and the amount you want to pay. They will also ask which payment method you want to use — options vary, so ask what they accept. Payments made by phone before 8 p.m. Eastern time post the same day.

To set up automatic payments by phone, tell the representative you want to enroll. They will walk you through entering your payment method and choosing the amount and due date. You will receive a confirmation number and a follow-up email with your automatic payment details.

You can also set up automatic payments online or through the app without calling. This is faster and you can do it anytime, even outside business hours.

What payment methods Optimum accepts

Optimum takes Visa, Mastercard, American Express, and Discover credit and debit cards through their website, app, and phone line. They also accept payments from a checking or savings account if you pay online or through the app. Some payment methods may carry a small fee — check the payment screen before you submit to see if a fee applies to your choice.

Optimum does not accept PayPal, Google Pay, Apple Pay, or other digital wallets through their main payment system. If you want to use one of those methods, you would need to transfer money to your bank account first, then pay from your account.

When your payment posts and how late fees work

Online and app payments post to your account within minutes. Phone payments post the same day if you call before 8 p.m. Eastern time; calls after 8 p.m. post the next business day. Mailed payments take 7 to 10 business days to arrive and post.

Your due date is shown on your bill. If your payment does not post by that date, Optimum charges a late fee. The fee amount varies and is listed in your service agreement. Late fees explore whether you mailed the payment early or paid online — what matters is when the payment actually posts to your account, not when you sent it.

If you are worried a payment will not arrive by the due date, paying online or by phone is much safer than mailing a check. Online payments post within minutes, so there is no risk of delay.

What to do if your payment does not go through

If your online or app payment fails, you will see an error message on screen explaining why — usually an incorrect card number, expired card, or insufficient funds. Fix the problem and try again. If the same error keeps happening, try a different payment method or call customer service.

If you paid by phone and the representative said the payment went through, but it does not show up in your account after one business day, call Optimum again. Provide your confirmation number from the first call. The representative can look up the payment and tell you whether it posted or if there was a problem.

If you paid by mail and your payment is more than 10 business days old and still has not posted, call Optimum with the date you mailed it and the check or money order number if you have it. They can search their records to see if the payment arrived.

Frequently Asked Questions

Can I pay my Optimum bill with a gift card?

No, Optimum does not accept gift cards as payment. You can only pay with a debit card, credit card, or bank account. If you have a gift card, you would need to use it to buy something else or transfer the balance to your bank account first.

What happens if I pay after the due date?

Optimum charges a late fee if your payment does not post by the due date. The amount varies by your service agreement. If you are more than 30 days late, Optimum may suspend your service. Pay as soon as you can to avoid additional fees and service interruption.

Can I set up automatic payments for only part of my bill?

Yes. When you set up automatic payments, you can choose to pay the full balance, a fixed amount, or the minimum payment. You can change the amount anytime through your account settings or by calling customer service.

Do I get a receipt when I pay online?

Yes. Optimum sends a receipt to your email address on file when ready after your payment processes. You will also see a confirmation number on screen. Keep the confirmation number in case you need to reference the payment later.

Can I pay someone else's Optimum bill?

You can pay online or by phone if you have the account number and know the amount due. However, you cannot access the account or make changes without the account holder's permission. If you want to set up automatic payments for someone else's account, that person needs to authorize it.