Call For Best Internet, Phone and Cable Deals (888) 817-8242

Why Choose Us? LocalCableDeals can help you find the best Internet & TV provider around you for your needs and budget. How we make money?

Why Choose Us?

Change Language: Español

LocalCableDeals can help you find the best Internet & TV provider around you for your needs and budget. How we make money?

altafiber Customer Service Phone Numbers

Optimum Internet

General Queries

Get your internet performance, billing and account management issues sorted at

(888) 246-2355
Optimum Internet

Technical Support

Sort all your equipment returns, repairs, installation and activation, and troubleshooting queries at

(513) 401-7866
Optimum Internet

Chat Support

To get help regarding billing queries, service upgrades, account information, send a message to

(513) 301-2093

Ways to Connect With Altafiber Customer Service

Optimum Phone Number


For repair, installation, or any other technical issue, connect with altafiber customer support at (888) 246-2355 or (513) 566-4101.

Optimum Chat Support


Send a text to (513) 301-2093 and get help with technical issues, billing, and other queries over text.

My Optimum App

Live Chat

Inquire about service upgrades, installation, account, connectivity, etc. with a live agent during service hours.

Optimum X Support


Address concerns via email and get your issues resolved in no time.

Optimum X Support

Online Help Center

Read FAQs and helpful guides on various technical and non-technical issues.

Optimum X Support

Business Support

Talk to a customer support expert to gain insights into all your technical and non-technical business inquiries.

New to altafiber? Explore altafiber internet, TV, and phone plans at (888) 817-8242

How to Pay Your altafiber Bill?

Frequently Asked Questions

Is altafiber customer service 24/7?  

Yes, altafiber customer service is available to help 24/7.

Is altafiber internet reliable?  

Yes, altafiber delivers the internet over fiber optic with 99.9% reliability.

How do I cancel my altafiber service?  

You can cancel your internet service with altafiber via phone, live chat, or by physically going to a nearby retail store.

Does altafiber offer unlimited data?  

Yes, all altafiber internet plans come with unlimited data.

Is altafiber available near me?  

altafiber is currently available in select areas of Kentucky, Indiana, and Ohio. Enter your ZIP code in our availability tool to check altafiber availability in your area.

Does altafiber throttle my internet speed?  

No, altafiber does not throttle its internet speed.

Written by:

David Simokaitis

Senior Editor More From This Author
Technicaliy Reviewed by:

Nathan Barr

Industry Expert More From This Author

Featured Posts

Catch the latest from our Blog. Find high-speed options for internet, TV, or bundles that meet your needs.

Browse our blog archive
featured image

What is altafiber? The Future of Fiber Technology

altafiber is a promising name when it comes to fiber optic providers. It offers fast-speed internet plans and unlimited data.

Read More
featured image

How Does Fiber-Optic Internet Work?

Fiber optic internet is a relatively new data transmission technology that uses fiber-optic cables to transmit data.

Read More
featured image

How Fast is Fiber Internet? A Detailed Review

In theory, each fiber internet link has the potential to carry up to 44 terabits per second.

Read More

We are glad to know that!

If you have any more questions or need further assistance, feel free to reach out.

Your Feedback Matters

Was this page helpful?

We apologize for not meeting your expectations.

Please let us know how we can improve.

Thanks for your feedback!

Your insight helps, and we’ll do our best to improve your experience.