Does Frontier Fiber Have a Data Cap?
No. Every current Frontier Fiber plan includes unlimited data as standard, with no overage billing tier and no congestion-based deprioritization — a direct benefit of fiber not sharing bandwidth the way cable or fixed wireless does.
Fiber vs Legacy DSL Data Policy
Frontier's remaining legacy DSL customers (in areas fiber hasn't reached yet) are also generally unmetered, but DSL's much lower speed ceiling means the practical usage difference is less about caps and more about how much can realistically be downloaded in a given month at 40-115 Mbps versus gigabit fiber speeds.
How Frontier Compares to the Rest of This Series
| ISP | Data Cap |
|---|---|
| Frontier Fiber | None |
| AT&T Fiber | None |
| Verizon Fios | None |
| Xfinity | 1.2TB (most states) |
| Cox | 1.25TB (StraightUp: none) |
The pattern across every ISP tested in this series is consistent: fiber-based providers universally skip data caps, while cable ISPs largely retain them except on specific flat-rate plans. If avoiding a data cap entirely is a priority, any of the three fiber providers covered here — Frontier, AT&T, or Verizon — deliver that by default.