FCC Broadband Data Collection, Dec 2024 vintage, residential filings — broadbandmap.fcc.gov. Availability is address-specific within each ZIP.
Type your Waterbury ZIP code to see who files service there:
Call (833) 390-3014Top internet providers in Waterbury
Each row is a network, sorted by the number of Waterbury ZIP codes it files service in; the six shown come from 14 residential filers, satellite excluded.
| Provider | Technology | ZIPs served (of 6) | Top filed speed |
|---|---|---|---|
| Frontier Fiber | Fiber | 6 | 7 Gbps |
| Xfinity | Cable + Fiber | 6 | 2 Gbps |
| Verizon 5G Home | 5G Home | 6 | 300 Mbps |
| AT&T Internet Air | 5G Home | 6 | 100 Mbps |
| T-Mobile Home Internet | 5G Home | 6 | 100 Mbps |
| NetSpeed | Fiber | 4 | 1 Gbps |
Verizon 5G Home, AT&T Internet Air, and T-Mobile Home Internet each file 5G home service in all six ZIP codes, and satellite (Starlink, Viasat, HughesNet) covers every address in Waterbury — the two options left when a wired network skips a building.
At the ZIP level, Waterbury has at least two wired networks everywhere — Frontier Fiber and Xfinity. The highest fiber filing for Waterbury, 8 Gbps, isn’t from any network in the table; it comes from a provider with a smaller ZIP-code footprint. For multi-gig plans, the filings list Frontier Fiber (7 Gbps) and Xfinity (2 Gbps).