Independent authorized sales agentaltafiber Customer Service: Numbers, Chat and Support
Order new Altafiber service through Reliable Internet Inc. Availability and pricing vary by address.
New customers onlyPlus taxes and feesStandard rates after the promoIndependent authorized sales agent, not Altafiber
We may earn a commission. How we're paid
Check availability at your address
(888) 428-0573- Authorized sales agentWe sell participating providers' plans; we are not the provider.
- Prices from provider sitesEach price links to its source and check date.
- Availability by addressCoverage is confirmed for your exact address.
- Order by phoneTalk to a person at (888) 428-0573.
New altafiber service? Call Reliable Internet Inc at (888) 428-0573. We're an authorized sales agent and can check your address and place the order.
Already an altafiber customer? Use altafiber's own support numbers below. We can't see or change existing altafiber accounts.
| Purpose | altafiber contact | Hours |
|---|---|---|
| Customer Service & Sales | 513-566-4101 · 1-888-246-2355 | 24/7 |
| Repair & Technical Support | 513-566-4101 · 1-888-246-2355 | 24/7 |
| Text support | Text 513-301-2093 | Mon-Fri 7:30am-9pm, Sat-Sun 10am-7pm |
| Live chat | altafiber.com/about-us/contact-us | Mon-Fri 7:30am-9pm, Sat-Sun 10am-7pm |
| Small Business Sales | 1-866-541-9042 | — |
Source: altafiber.com/about-us/contact-us, checked Oct 21, 2026. Our number, (888) 428-0573, is a sales line for new orders. Reliable Internet Inc is an authorized sales agent and can't reach your altafiber account, so for account help use the altafiber options above.
Ways to Contact altafiber
altafiber runs phone customer service and technical support 24/7. If you'd rather not call, you can text altafiber at 513-301-2093 or use live chat on its site during staffed hours (Mon-Fri 7:30am-9pm, Sat-Sun 10am-7pm). The altafiber Help Center has step-by-step articles for most account and troubleshooting tasks. You can also manage your account and pay your bill by signing in at altafiber.com.
Common Support Tasks
| Task | How to do it |
|---|---|
| Pay your bill | Sign in at altafiber.com, or call 513-566-4101 |
| Set up eBill (paperless) | In your altafiber account settings — required for the listed prices |
| Restart your gateway | Unplug the Fioptics gateway for about a minute, then plug it back in |
| Report an outage | Call 513-566-4101 or 1-888-246-2355 (24/7), or use live chat |
| Return equipment | altafiber will tell you how when you cancel or change service |
| Move your service | Call altafiber to check whether its fiber reaches your new address |
Cancelling or Changing altafiber
altafiber prices are tied to 1-, 2- or 3-year terms. Downgrading or cancelling within 12 months claws back any free-month credits you received. To change or cancel, call 513-566-4101 or 1-888-246-2355, and return any leased equipment to avoid a charge.
Before You Call altafiber
Have your account number, service address and ZIP, and a payment method ready. For a technical issue, try restarting the gateway first, since that clears many problems. New customers can get speed and pricing help from us at (888) 428-0573.
Shopping for a New Plan?
Compare altafiber internet plans, Fioptics+ TV or bundles, then call (888) 428-0573. We're an authorized sales agent, not altafiber's support line.
Frequently asked questions
What is the altafiber customer service number?
altafiber lists 513-566-4101 and 1-888-246-2355 for customer service and technical support, both available 24/7.
Is altafiber support available 24/7?
Yes. altafiber lists customer service, sales and technical support as available 24/7. Text and chat are staffed Mon-Fri 7:30am-9pm and Sat-Sun 10am-7pm.
How do I report an altafiber outage?
Call 513-566-4101 or 1-888-246-2355 (24/7), or use live chat on altafiber's site.
Is altafiber the same as Cincinnati Bell for support?
altafiber is Cincinnati Bell's brand, so these are the current altafiber support numbers and channels.
Can Reliable Internet Inc handle my existing altafiber account?
No. We're an authorized sales agent for new orders and can't see or change an existing altafiber account. Use altafiber's channels above for account help.
Questions about Altafiber?
Mon–Fri 8am–10pm ET · Sat–Sun 9am–7pm ET