Welcome to Optimum’s Account Online Services

We have made several enhancements to the account online website. Users will now log in with their email address instead of their account number.

If you have not already registered to use the new account online services, please register first.

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Contact Customer Service

If you need login assistance or if you experience any technical difficulties
when using this account online service, please contact customer service at:
(714) 508-9070 ext. 400

Welcome to Optimum's Account Online Services

If you have not already registered to use the new account online services, please register first.

First Time Registration

(Exactly how it appears on the billing statement:
(OXXX-XXXXX-X).The first letter is a capital O.
(as shown on the billing statement)