Centurylink Internet Plans and Pricing in SC
When evaluating centurylink internet options, key considerations include streaming service, centurylink fiber internet, download speeds up to 940 mbps. Understanding these factors helps you choose the right plan for your household needs and budget.
Quick Answer
CenturyLink offers both fiber (branded as Quantum Fiber in select areas) and DSL internet service in South Carolina. Fiber plans deliver speeds from 200 Mbps to 2 Gig with a price-for-life guarantee. While DSL is available in areas where fiber has not yet been deployed. CenturyLink covers approximately 48% of South Carolina addresses with DSL and 10% with fiber service. To check availability at your address and order service, .
CenturyLink Internet Plans Available in South Carolina
CenturyLink offers several internet tiers in South Carolina, though not all plans are available at every address. Fiber plans are limited to areas where CenturyLink has deployed its Quantum Fiber network, while the Simply Unlimited DSL plan is more widely available. Here is a breakdown of current CenturyLink plans you may find in South Carolina:
| Plan | Technology | Download Speed | Upload Speed | Monthly Price | Contract |
|---|---|---|---|---|---|
| Simply Unlimited | DSL | 100 Mbps | 10 Mbps | $50/mo | None |
| Fiber 200 | Fiber | 200 Mbps | 200 Mbps | $50/mo | None |
| Fiber 500 | Fiber | 500 Mbps | 500 Mbps | $60/mo | None |
| Fiber 940 | Fiber | 940 Mbps | 940 Mbps | $65/mo | None |
| Fiber 2 Gig | Fiber | 2,000 Mbps | 2,000 Mbps | $110/mo | None |
To verify which plans are available at your specific South Carolina address and to order service, CenturyLink at . A representative can confirm fiber or DSL availability and help you select the right plan for your household.
CenturyLink Provider Overview
- Parent Company: Lumen Technologies (NYSE: LUMN)
- Fiber Brand: Quantum Fiber
- Technologies: Fiber-to-the-home (FTTH) and DSL
- Contract Required: No contracts on any residential plan
- Price Lock: Price-for-life guarantee on qualifying plans
- Equipment: Modem/router included (or bring your own)
- Data Caps: No data caps on fiber plans; 1.25 TB on DSL
- Service Area in South Carolina: Charleston, Columbia, North Charleston, Mount Pleasant, Rock Hill, Greenville, Summerville, Goose Creek, and surrounding communities
- Customer Service: (available 7 days a week)
CenturyLink Coverage and Availability in South Carolina
CenturyLink's service footprint in South Carolina spans 48% of addresses with at least DSL availability and 10% with Quantum Fiber. Coverage is concentrated in the state's population centers, with more limited availability in rural areas. The following South Carolina cities have confirmed CenturyLink availability:
- Charleston - Fiber & DSL
- Columbia - Fiber & DSL
- North Charleston - DSL
- Mount Pleasant - DSL
- Rock Hill - DSL
- Greenville - DSL
- Summerville - DSL
- Goose Creek - DSL
- Hilton Head - DSL
- Spartanburg - DSL
South Carolina's broadband market features CenturyLink primarily in the Columbia and Charleston metro areas. AT&T and Spectrum are the dominant statewide providers. The state's booming coastal population growth, particularly in the Charleston and Myrtle Beach areas, has increased broadband demand. South Carolina's manufacturing sector, including BMW's Spartanburg plant and Boeing's North Charleston facility, drives enterprise connectivity needs.
South Carolina's boom in advanced manufacturing, with BMW, Boeing, Volvo. Numerous automotive suppliers establishing facilities, has created a corridor of industrial IoT broadband demand from Spartanburg through Greenville to Charleston.
Coverage can vary block by block, especially in areas where fiber deployment is still in progress. The best way to confirm whether CenturyLink serves your specific South Carolina address is to and have your full street address ready. A representative can tell you exactly which plans and speeds are available.
Speed Analysis: CenturyLink Performance in South Carolina
Understanding real-world internet speeds versus advertised maximums is critical when choosing a plan. CenturyLink's speed performance in South Carolina depends primarily on whether your address receives fiber or DSL service.
Fiber Performance in South Carolina
CenturyLink's fiber footprint in South Carolina is growing but still limited to select areas, primarily in Charleston, Columbia. Where Quantum Fiber is available, speed performance is excellent, with most customers seeing 90-98% of their plan's advertised speed. The symmetrical upload speeds on fiber plans are a major advantage over cable competitors.
DSL Reality Check
The majority of CenturyLink customers in South Carolina are on DSL connections, where performance depends heavily on the distance between your home. The nearest network node. In South Carolina's denser urban areas, DSL speeds tend to be more consistent, while suburban and semi-rural locations may experience more variability.
A practical tip for South Carolina customers: before committing to a CenturyLink plan, ask the sales representative at what the expected speed range is for your specific address. CenturyLink's system can estimate performance based on your location relative to their network infrastructure. If the estimated speed on DSL is below 50 Mbps, consider whether a competitor's cable or fixed wireless service might better meet your needs, or whether waiting for Quantum Fiber expansion to your area is worthwhile.
CenturyLink Pricing and Value in South Carolina
CenturyLink's pricing structure in South Carolina is built around simplicity and long-term value. All plans are available without contracts, and the price-for-life guarantee ensures your monthly rate stays the same as long as you maintain service.
CenturyLink's pricing in South Carolina is straightforward and transparent. The price-for-life guarantee is particularly valuable in a market where Spectrum and other competitors are known for raising rates after 12-month promotional periods. Over a three-year period, CenturyLink's locked rate can result in savings of $300 to $600 compared to competitors whose prices increase annually.
The Simply Unlimited DSL plan at $50 per month is the most widely available CenturyLink option in South Carolina. While 100 Mbps DSL may not match the raw speed of cable alternatives from Spectrum, the guaranteed price. No-contract terms offer genuine value for budget-conscious households.
Hidden Costs to Watch For
While CenturyLink's base pricing is transparent, South Carolina customers should be aware of potential additional costs. Equipment rental for the modem/router is typically included in the monthly price, but premium Wi-Fi mesh extenders may carry an additional fee. Installation can be free during promotional periods or up to $99 for standard professional installation. CenturyLink does not charge early termination fees since there are no contracts, which is a significant advantage if you move or decide to switch providers. For a complete price breakdown for your South Carolina address, .
Local Insights: CenturyLink in the South Carolina Market
CenturyLink faces significant competitive pressure in South Carolina from providers like Spectrum that offer faster cable or fiber speeds in many areas. However, CenturyLink's price-for-life guarantee. No-contract policy give it a distinct advantage for price-sensitive South Carolina customers who prioritize long-term cost stability over maximum raw speed.
For basic internet needs including streaming, email, and web browsing, CenturyLink's DSL service remains a viable and affordable option.
For South Carolina residents considering CenturyLink, the decision often comes down to whether fiber or DSL is available at your address. Fiber customers generally report high satisfaction with speed, reliability, and pricing. DSL customers tend to be satisfied with the price-for-life guarantee but occasionally express frustration with speeds that fall short of the 100 Mbps maximum. Checking your specific address availability by calling is the essential first step before comparing CenturyLink against alternatives in your South Carolina neighborhood.
Frequently Asked Questions About CenturyLink in South Carolina
Is CenturyLink available in South Carolina?
Yes, CenturyLink provides internet service across portions of South Carolina. DSL service covers approximately 48% of addresses statewide. While Quantum Fiber is available to roughly 10% of South Carolina locations, primarily in Charleston, Columbia and surrounding areas. Coverage varies significantly by address, so the most reliable way to check is to and provide your specific street address and ZIP code.
What is the best CenturyLink plan in South Carolina?
For most South Carolina households, the Simply Unlimited DSL plan at $50 per month provides adequate speed for streaming, browsing, and basic video calls. If you are fortunate enough to be in a Quantum Fiber zone such as parts of Charleston, the Fiber 200 plan at $50 per month delivers significantly better performance at the same price point. For households with four or more people who stream on multiple devices simultaneously, consider the Fiber 940 plan at $65 per month if available. to discuss which plan fits your usage patterns.
What is the difference between CenturyLink Fiber and DSL in South Carolina?
CenturyLink Fiber (marketed as Quantum Fiber) delivers internet through fiber-optic cables directly to your home, offering symmetrical speeds up to 2 Gbps with no data caps. DSL uses existing copper telephone lines and tops out at 100 Mbps with a 1.25 TB monthly data allowance. In South Carolina, fiber is available in approximately 10% of the service area, primarily in Charleston, Columbia.
DSL reaches a broader 48% of addresses. If both are available at your location, fiber is the clearly superior choice for speed, reliability, and long-term value.
Does CenturyLink really offer a price-for-life guarantee in South Carolina?
Yes, CenturyLink's price-for-life guarantee means that the monthly rate you are quoted when you sign up is the rate you will continue to pay for as long as you maintain that same plan. Service at the same address. This applies to both fiber and DSL plans in South Carolina.
There are no promotional periods that expire after 12 or 24 months. Which is a significant differentiator from competitors like Spectrum that typically increase rates after an introductory period. The price-for-life guarantee is one of the most consumer-friendly pricing models in the South Carolina broadband market.
How long does CenturyLink installation take in South Carolina?
CenturyLink installation in South Carolina typically takes between three. Seven business days from the time you place your order, depending on technician availability in your area. For fiber installations, a technician will need to visit your home to connect the fiber-optic line, which usually takes two to four hours. DSL installations may be self-installable if your home already has an active phone line. In high-demand areas like Charleston and Columbia, appointment slots may fill up more quickly. Schedule your installation by calling to get the earliest available date.
Is CenturyLink expanding fiber in South Carolina?
CenturyLink, through its Quantum Fiber brand, has been gradually expanding its fiber-to-the-home network in South Carolina. Currently, fiber reaches approximately 10% of the company's South Carolina service area, concentrated in Charleston, Columbia. Lumen Technologies has indicated that fiber expansion will continue in markets where demand and infrastructure economics justify the investment. New housing developments in growing South Carolina communities may also see fiber deployed as part of initial construction. For the latest on fiber availability at your address, .
Can I bundle CenturyLink internet with TV or phone service in South Carolina?
CenturyLink has shifted its focus primarily to internet service and no longer actively markets traditional TV bundles in most South Carolina markets. However, you can add a home phone line to your internet plan for an additional monthly fee. For television, CenturyLink often partners with DirecTV Stream or other streaming services, offering promotional deals when you sign up for internet. Contact CenturyLink at to ask about current bundle offers or promotions available at your South Carolina address.
Related Resources
- CenturyLink Provider Overview
- All Internet Providers in South Carolina
- CenturyLink Internet in North Carolina
- CenturyLink Internet in Georgia
- CenturyLink vs. AT&T Comparison
- Fiber vs. DSL: Which Is Better?
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Frequently Asked Questions About Sc in Centurylink
What is the installation process for Sc in Centurylink?
Installation for Sc in Centurylink typically involves scheduling a technician visit within 3-7 business days of ordering. Professional installation usually takes 2-4 hours and includes setting up the modem, router, and testing the connection. Some Sc plans offer self-installation kits that let you set up service without a technician visit, often saving $50-100 in installation fees.
Does Sc require a contract in Centurylink?
Contract requirements for Sc in Centurylink vary by plan. Many current plans are available without annual contracts, giving you flexibility to cancel or change plans at any time. Some promotional pricing may require a 12-24 month commitment for the discounted rate.
Ask about contract terms before signing up to understand any early termination fees.
Is Sc available in my area of Centurylink?
Sc coverage in Centurylink varies by city and neighborhood. The best way to check availability at your specific address is to use the provider's online availability checker or their sales line. Coverage typically concentrates in urban and suburban areas, with some rural zones served by different technologies like satellite or fixed wireless.
How much does Sc internet cost in Centurylink?
Sc pricing in Centurylink typically starts at $30-50/month for basic plans and goes up to $80-100+/month for premium tiers. Prices may vary by location within Centurylink. Promotional rates usually last 12-24 months before increasing to regular pricing.
Equipment rental fees of $10-15/month may apply unless you use your own compatible equipment.
What internet speeds does Sc offer in Centurylink?
Sc speed tiers in Centurylink depend on the technology available at your address. Fiber connections typically offer speeds from 300 Mbps to 5 Gbps. Cable internet ranges from 100 Mbps to 1.2 Gbps.
DSL and fixed wireless options provide 25-100 Mbps. Check your address to see which speed tiers are available in your specific location.
Does Sc offer bundle deals in Centurylink?
Sc may offer bundle packages combining internet with TV and/or phone service in Centurylink. Bundling typically saves $10-30/month compared to purchasing services separately. Availability of bundle options varies by location within Centurylink.
Check with Sc directly to see which bundle combinations are available at your address.
Disclosure
InternetProviders.ai may earn compensation through affiliate links and phone referrals displayed on this page. This does not influence our editorial content or provider rankings. Pricing, plans, and availability are current as of February 2026 and may vary by address within South Carolina. CenturyLink, Quantum Fiber. Lumen are trademarks of Lumen Technologies, Inc. We recommend verifying plan details directly with CenturyLink by calling before making a purchase decision. Speed performance may vary based on factors including network congestion, equipment capability, and distance from the nearest node.
Sources & Methodology
Coverage data, plan details, and pricing are compiled from FCC Broadband Data Collection filings, provider-published broadband nutrition labels, and U.S. Census Bureau demographic data including population and median household income figures from the American Community Survey. Pricing, speeds, and availability are verified against provider broadband nutrition labels and may vary by location. For a detailed explanation of our data collection and scoring process, see our methodology page.
Data Sources
- FCC Broadband Data Collection
- U.S. Census Bureau American Community Survey
- USAC Universal Service Fund
- NTIA Internet Use Survey
Last verified: March 2026. InternetProviders.ai is an independent resource. We may earn commissions from partner links — this does not affect our editorial recommendations. See our methodology for details.
