Internet Providers in Martinsburg

Martinsburg has two fiber providers, Glo Fiber and Frontier. Symmetric speeds of 7,000 Mbps are available in parts of the city.

Fiber

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Frontier	7,000	7,000	13%
Glo Fiber	5,000	5,000	98%

Cable

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Xfinity	2,000	2,000	99%

DSL

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Frontier	115	7	75%

Fixed Wireless

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Verizon	300	20	97%
AT&T	100	20	100%
MINTernet	100	20	100%
T-Mobile	100	20	100%
Morgan Wireless	25	3	100%
US Cellular	25	3	100%

Next-Gen Satellite

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
Starlink	280	30	100%

Old-School Satellite

Provider	DownDownload (Mbps)	UpUpload (Mbps)	AvailabilityCoverage
HughesNet	100	5	100%

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Low-Availability Internet Options

Provider	TechnologyTech	Download (Mbps)	Upload (Mbps)	AvailabilityCoverage
Xfinity	Fiber	2,000	2,000	0.2%
EarthLink Business	Fixed WirelessFixed Wireless	100	30	5%
MN FWA Buyer	Fixed WirelessFixed Wireless	100	30	5%

Broadband Map's availability estimates are based on the census boundaries of Martinsburg. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.

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Data Sourcing

Broadband Map's listings of internet providers in Martinsburg rely primarily on the November 2025 release from the FCC's Broadband Data Collection program (representing Martinsburg ISPs' availability as of June 2025).