Coverage · ZIP 20621 · St. Marys County
Internet providers in Maddox, MD.
There are 3 internet providers reporting service in Maddox, MD (ZIP 20621) in FCC National Broadband Map filings (FCC filings as of Dec 31, 2024), including Breezeline, AT&T Internet Air, and T-Mobile Home Internet. The fastest advertised download speed is 1 Gbps from Breezeline. No provider reports fiber here yet; the cable, 5G home, fixed-wireless, or DSL options are listed below. These records are aggregated to ZIP areas. Call (888) 889-4095 and your OneClickAway agent confirms which plans are actually orderable at your exact address — with current pricing — before anything is ordered.
Ranked · fiber first, then cable, 5G home, fixed wireless, DSL
Every provider reporting service in Maddox, MD (20621)
Maximum advertised speeds from FCC National Broadband Map filings (FCC filings as of Dec 31, 2024). Coverage is the share of census blocks in this ZIP where the provider reports service. Prices are not shown — they change by address and promotion, so your agent quotes them live.
Providers are grouped by technology. Within a group, OneClickAway partners appear first in our listed partner order. We may receive compensation when you order through us. Block coverage is not the percentage of homes served.
| # | Provider | Technology | Max download | Max upload | Coverage |
|---|---|---|---|---|---|
| 01 | Breezeline by Cogeco |
CableLow latency | 1 Gbps | 50 Mbps | 85% of blocks |
| 02 | AT&T Internet AirOneClickAway partner by AT&T |
5G HomeLow latency | 30 Mbps | 3 Mbps | 33% of blocks |
| 03 | T-Mobile Home Internet by T-Mobile |
5G HomeLow latency | 100 Mbps | 20 Mbps | 69% of blocks |
Satellite service is filed for essentially every U.S. address and is listed separately: Starlink up to 280 Mbps · Viasat up to 150 Mbps · HughesNet up to 100 Mbps.
Common questions
Internet in Maddox, MD, answered from the filings
How many internet providers serve Maddox, MD?
FCC filings list 3 internet providers reporting residential service in ZIP 20621, including Breezeline, AT&T Internet Air, and T-Mobile Home Internet. This is an aggregated ZIP-area comparison, so not every provider reaches every address — a OneClickAway agent confirms which ones reach yours before you order.
What is the fastest internet in 20621?
Breezeline reports the highest maximum advertised download speed in Maddox, MD at up to 1 Gbps (up to 50 Mbps upload). Actual speeds depend on the plan sold at your address; these are provider-reported maximums, not guarantees.
Is fiber internet available in Maddox, MD?
No provider reports fiber in ZIP 20621 in this dataset. The available technologies are Cable, 5G Home. Your agent can also check satellite options if wired service does not reach your address.
Which of these providers can OneClickAway order for me?
AT&T Internet Air is a OneClickAway partner brand in this ZIP. Eligible plans and current charges need confirmation. OneClickAway is authorized to sell Xfinity, Frontier, Kinetic by Windstream, Brightspeed, EarthLink, Spectrum, AT&T, Verizon, Optimum, Astound Broadband, DIRECTV, ADT, and Vivint; other brands are listed for comparison and may require ordering directly. Call (888) 889-4095 (Mon–Fri 9–6 PT).
One call, no forms
Confirm what's live at your address in 20621.
Your agent checks partner plans, current pricing, and installation options at your exact address. You decide whether to order. Monday – Friday, 9 AM – 6 PM (PT).