Gigabit & Fiber Internet in Mountainburg

Get the Fastest Speeds Available

Cox has gigabit and fiber internet options for both residential and business customers in Mountainburg, AR. If you're looking for the fastest speeds available, choose Cox as your gigabit or fiber internet provider today.


Gigablast is the Speed of Gig

Cox offers our home customers super-fast internet service called Gigablast with speeds up to 1 Gbps on our fiber-based network. Since it works using existing cable lines to your home, it's available nearly everywhere in Mountainburg, AR.

for 12 mos. w/ 1-yr. term agrmt.Offer Details & Terms
Product features & plan details
Year 1
Year 2
1 Year Term Agreement

Your Internet plan comes with a 1-year term agreement, allowing you fixed rates on your monthly services during that period. If you prefer month-to-month flexibility, you can remove the term agreement from your plan. If your Internet service is disconnected during the term, you may be charged an early termination fee and the regular rates for your remaining services are subject to change.

Internet Gigablast - Discount

Offer expires 03/27/2023 and is available to new residential Cox Internet customers in select Cox service areas. Promotional period runs from first installation of Internet service, even if you change speeds. After promotional period, regular rates apply. Log in to your account or call us to learn about available discounted rates for different speed options. See for current regular rates. Advertised rate excludes taxes, surcharges, equipment, professional installation, usage-based charges (data overages, streaming subscriptions, etc.), and other fees or charges, which are subject to change. A credit check and/or deposit may be required. May not be combined with other offers or discounts. Advertised rate and taxes vary by service location. Other restrictions may apply.

Internet Gigablast

Not available in all areas. Gigablast ℠ connection download speeds up to 1 Gbps based on limitations of standard internet hardware. Actual speeds depend on capability of end user devices and other factors. Uninterrupted or error-free Internet service, or the speed of your service, is not guaranteed. Actual speeds vary. See for complete Cox Internet Disclosures. Gigablast requires a DOCSIS 3.1 modem. Use of a Cox-approved cable modem is required. Accessing your service via wifi may result in reduced Internet speeds due to the type of equipment used, environmental and structural conditions in your home, the number of users and other contributing factors. Other restrictions may apply. All Cox Internet plans include 1.25 TB (1,280 GB) per month of data usage. Additional Data Plans can be added for an additional monthly charge. Excess usage is $10 per additional 50 GB block, except for Unlimited Data Plan subscribers. Unused data does not roll over. For more details on data plans and data usage, see and Cox cannot guarantee the intended results from the McAfee® services or that the McAfee® software will be error-free, free from interruptions or other failures. The McAfee® services and features are subject to change. McAfee® is a registered trademark of McAfee®, Inc. Redeem no later than 11:59 pm PT May 13, 2023 to receive up to 12 months of Disney+ Premium (No Ads) ("Promotional Period") on Cox. Your Promotional Period starts from the date you activate your offer code through Disney+. You agree that when your Promotional Period expires, your Disney+ Premium (No Ads) subscription will automatically renew on a monthly basis at the then-current monthly price (currently $10.99/month), and you will be charged monthly by Disney+, unless you cancel with Disney+ prior to the expiration of your Promotional Period. Cancel any time, subject to terms. No refunds or credits for partial months or years. Cancellation will be effective at the end of your Promotional Period or billing period, as applicable. Offer available only to customers who (1) are 18 years of age or older, (2) order and install new Cox Internet Preferred, Ultimate, or Gigablast service between December 13, 2022 and April 13, 2023, (3) are residents of the United States, within eligible Cox markets in Arizona, Louisiana, Nebraska, North Carolina, and Virginia and (4) are new Disney+ subscribers or eligible returning Disney+ subscribers without an existing subscription. Valid payment method required to redeem offer. You must maintain the qualifying Cox Internet service during your Promotional Period to continue to receive Disney+ Premium (No Ads) for the duration of your Promotional Period. Limited market offer availability (Arizona, Baton Rouge (Greater Louisiana), Hampton Roads, New Orleans, and Omaha); one(1) offer per Cox account; available only to the Cox Internet subscriber to whom the offer invitation is addressed. Offer cannot be combined with any other offer and is not redeemable for cash or any other goods and services. Disney+ offer code is nontransferable and cannot be sold or shared, and the offer code is not valid and will not be honored if obtained from any third party. Use of the Disney+ service is subject to the Disney+ and ESPN+ Subscriber Agreement ( and Privacy Policy ( Data usage applies when accessing Disney+. © 2022 Disney and its related entities.

Pricing and Policies

Pricing, packages, and policies are subject to change, including when adjusting or removing services or equipment. Prices do not include applicable taxes, surcharges, usage-based charges (such as data, toll usage, pay-per-use service), and other fees. After any promotional period, regular rates apply (see Prorated charges may appear on your bill if you change services before the billing cycle is complete. Rates, and/or when applicable, term agreements, may differ from those presented here as a result of customer's account features, such as existing discounts, bundles, term agreements, or service address. Other restrictions may apply. All services and plans subject to Cox Residential Customer Service Agreement (including mandatory arbitration provisions), Acceptable Use Policy (including Cox's right to terminate service for abuse of network), and other policies at:

Internet Gigablast

Up to 1 Gbps (1,000 Mbps) download speeds

Up to 35 Mbps upload speeds

1.25 TB (1280 GB) monthly data included

Easy access to over 3 million wifi hotspots

Security Suite powered by McAfee included

Ideal for seamless 4K streaming on multiple devices, heavy gaming, multiple people learning/working from home and ultra-connected homes

Order Now


Internet at the Speed of Business
Cox offers several business fiber options for companies of all sizes in Mountainburg, AR.

Small/Medium Business Fiber

True fiber-optic internet that provides symmetrical upload and download speeds up to 2 Gbps. Secure private and guest wifi networks for employees and customers.
Get Business Fiber

Enterprise Fiber

For large-sized businesses with many employees, get an enterprise-grade connection with symmetrical speeds up to 100 Gbps and custom network designs.
Get Dedicated Fiber


When Working at Home Demands Business Speed

Cox can provide business fiber to your home if your bandwidth needs exceed our residential Gigablast offering. Get fast symmetrical speeds up to 2 Gbps, so you can ensure you have enough upload speed for video calls and file transfers, and fast download speeds for everything else. Contact Cox Business today about this option.

How To Choose Fiber vs. Gigabit

Compare Services

Check out these helpful gigabit and fiber internet resources when considering the fastest internet speed for home or office.

Residential Choices

Learn about the differences between residential gigabit and fiber options, and why choosing Cox Gigablast is a smart choice.

Business Choices

Learn about the differences between cable and fiber connections for businesses, and why you need business fiber from Cox

Gigabit & Fiber Internet FAQs

Residential customers using Cox Gigablast service can get download speeds of up to 1 Gbps and upload speeds of up to 35 Mbps. Business customers using Cox fiber can get symmetrical upload and download speeds up to 2 Gbps. Dedicated Internet customers can get symmetrical speeds up to 100 Gbps. View Cox speed and data plan details.