Quick Answer: CenturyLink vs. Frontier (2026)
Frontier Fiber is the overall winner in modern fiber performance due to its multi-gigabit capabilities (up to 7,000 Mbps symmetrical) and the inclusion of enterprise-grade Amazon eero Wi-Fi 7 mesh routers with zero equipment rental fees. CenturyLink / Quantum Fiber is an outstanding runner-up offering reliable symmetrical 940 Mbps fiber with transparent flat-rate pricing and no data caps. However, if your address only qualifies for legacy copper DSL, CenturyLink typically holds the advantage with bonded VDSL speeds reaching up to 100 Mbps compared to Frontier's 12–25 Mbps DSL.
✓ CenturyLink: Winner for Suburban DSL Speeds & Flat Pricing

CenturyLink / Quantum Fiber
- Speeds up to 940 Mbps & select 3–8 Gig fiber
- 100% Unlimited data ($0 overage fees)
- No annual contracts + Flat-rate pricing
Frontier Fiber
- Symmetrical speeds up to 7,000 Mbps (7 Gig)
- Free Amazon eero Wi-Fi 7 mesh system ($0/mo)
- $0 Data caps & No cancellation fees
Frequently Asked Questions: CenturyLink vs. Frontier
Is Frontier Fiber better than CenturyLink Fiber (Quantum Fiber)?
Frontier holds a clear advantage in top-tier multi-gigabit speeds and Wi-Fi equipment. Frontier delivers symmetrical speeds up to 7,000 Mbps (7 Gig) and includes free Amazon eero Wi-Fi 7 mesh hardware. CenturyLink / Quantum Fiber provides excellent gigabit service (up to 940 Mbps) with flat-rate billing, but Frontier leads in raw speed and wider multi-gigabit expansion.
Do CenturyLink or Frontier have data caps or contracts?
No. Neither provider enforces data caps or annual contracts on their fiber networks. Both CenturyLink Fiber (Quantum Fiber) and Frontier Fiber provide 100% unlimited data with month-to-month billing and no early termination fees.
What if only CenturyLink DSL or Frontier DSL is available at my address?
If pure fiber has not reached your street, CenturyLink is typically preferable because their bonded VDSL network can deliver speeds up to 80–100 Mbps in many areas, whereas Frontier legacy DSL generally maxes out between 12 and 25 Mbps.
Is CenturyLink the same company as Quantum Fiber?
Yes. Lumen Technologies (CenturyLink's parent company) rebranded its fiber-to-the-home broadband operations to Quantum Fiber. CenturyLink remains the primary brand name for copper DSL services and certain legacy fiber markets.
How can I verify which provider services my exact address?
Fiber-optic deployment varies street-by-street. Call our dispatch center to check: for CenturyLink / Quantum Fiber, call (844) 817-0136; for Frontier Fiber, call (888) 217-6472.