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DSDownloadSpeed
FCC Data · Updated April 2026
C

ZIP 78839 Internet

Zavala County, Texas · 100 Mbps max · 10 providers · Competitive

Broadband Grade

Score Breakdown — 52/100

55
Download (40%)
100
Competition (30%)
0
Fiber (20%)
0
Upload (10%)
Speed

Maximum Available Speeds

Download100 Mbps

FCC benchmark: 100 Mbps

Upload10 Mbps

FCC benchmark: 20 Mbps

Providers

10 Internet Providers in 78839

ProviderTechnologyDownloadUpload
Charter Communications INCCable (DOCSIS 3.1+)1000 Mbps35 Mbps
At&T SouthwestADSL225 Mbps3 Mbps
T-MobileFixed Wireless25 Mbps3 Mbps
Rise BroadbandFixed Wireless250 Mbps50 Mbps
TexasFixed Wireless100 Mbps20 Mbps
VtxcFixed Wireless25 Mbps3 Mbps
At&T SouthwestVDSL100 Mbps20 Mbps
At&T SouthwestFiber (FTTH)1000 Mbps1000 Mbps
Suddenlink CommunicationsCable (DOCSIS 3.1)1000 Mbps50 Mbps
Transworld Network CorpFixed Wireless15 Mbps5 Mbps
Fiber

Fiber Availability

No fiber available in 78839

Available technologies: Cable (DOCSIS 3.1+), ADSL2, Fixed Wireless, VDSL, Fiber (FTTH), Cable (DOCSIS 3.1)

Nearby

Nearby ZIP Codes

Compare 78839 vs 78829

Test Your Speed

See how your connection compares to the 100 Mbps available in 78839.

FAQ

Frequently Asked Questions

What internet providers are available in ZIP code 78839?

ZIP code 78839 has 10 internet providers. Charter Communications INC, At&T Southwest, T-Mobile and 7 more serve this area. The fastest available download speed is 100 Mbps.

What is the Broadband Grade for 78839?

ZIP code 78839 has a Broadband Grade of C (score: 52/100). This grade factors in download speed (55/100), provider competition (100/100), fiber access (0/100), and upload speed (0/100).

Is fiber internet available in 78839?

No, fiber-to-the-home internet is not currently available in ZIP code 78839. Residents rely on Cable (DOCSIS 3.1+), ADSL2, Fixed Wireless, VDSL, Fiber (FTTH), Cable (DOCSIS 3.1) connections.