Cox Communications Internet in Louisiana
539 ZIP codes covered · 1,000 Mbps max download · Cable (DOCSIS 3.1+) + Fiber (FTTH)
Cox Communications in Louisiana: What You Get
Cox Communications is one of 10 broadband providers active across Louisiana, with reported coverage in 539 ZIP codes out of 539 statewide. The carrier delivers service over Cable (DOCSIS 3.1+) and Fiber (FTTH), with an advertised maximum of 1,000 Mbps download and 940 Mbps upload at the top tier where the network supports it. Statewide, Louisiana averages 846 Mbps advertised download and 92% fiber-to-the-home coverage per the latest FCC National Broadband Map.
FCC Broadband Data Collection coverage is filed at the location level by every facilities-based provider and rolled up to ZIP, county, and state aggregates roughly every six months. A Cox Communications report inside a Louisiana ZIP code means at least one address inside the ZIP qualifies for service; it does not guarantee every home in the ZIP can subscribe at the advertised peak tier. For a definitive address-level check, use the FCC's public lookup or call the carrier directly.
Louisiana ZIP Codes Where Cox Communications Reports Service
Top 18 Louisiana ZIPs by Broadband Grade where Cox Communications appears in the FCC BDC filings. The full 539-ZIP footprint is available via the provider's national page.
| ZIP | City / County | Grade | Max Mbps | Providers |
|---|---|---|---|---|
| 70346 | Ascension | A | 1,000 | 10 |
| 70501 | Lafayette | A | 1,000 | 10 |
| 70503 | Lafayette | A | 1,000 | 10 |
| 70506 | Lafayette | A | 1,000 | 10 |
| 70507 | Lafayette | A | 1,000 | 10 |
| 70508 | Lafayette | A | 1,000 | 10 |
| 70518 | Lafayette | A | 1,000 | 10 |
| 70520 | Lafayette | A | 1,000 | 10 |
| 70529 | Lafayette | A | 1,000 | 10 |
| 70558 | Lafayette | A | 1,000 | 10 |
| 70583 | Lafayette | A | 1,000 | 10 |
| 70592 | Lafayette | A | 1,000 | 10 |
| 70725 | Ascension | A | 1,000 | 10 |
| 70734 | Ascension | A | 1,000 | 10 |
| 70737 | Ascension | A | 1,000 | 10 |
| 70769 | Ascension | A | 1,000 | 10 |
| 70774 | Ascension | A | 1,000 | 10 |
| 70778 | Ascension | A | 1,000 | 10 |
See how your connection compares to Cox Communications's advertised 1,000 Mbps tier in Louisiana.
Other Louisiana Internet Providers
Cox Communications Louisiana FAQ
Is Cox Communications available in Louisiana?
Yes. Cox Communications reports broadband service in 539 Louisiana ZIP codes in the FCC Broadband Data Collection filings as of April 2026. Coverage is reported at the location level and rolled up to ZIP code, so individual addresses inside a covered ZIP may or may not qualify for the advertised maximum tier.
What speeds does Cox Communications offer in Louisiana?
Cox Communications reports a maximum advertised download of 1,000 Mbps and maximum upload of 940 Mbps using Cable (DOCSIS 3.1+), Fiber (FTTH) in Louisiana. Real-world median throughput typically runs 60-80% of advertised speeds during peak evening hours per M-Lab measurement data.
Does Cox Communications offer fiber internet in Louisiana?
Cox Communications does not currently report fiber-to-the-home (FTTP) service in Louisiana. Their available technologies in the state are Cable (DOCSIS 3.1+), Fiber (FTTH).
How does Cox Communications compare to other Louisiana internet providers?
Louisiana has an average of 10 reported broadband providers per ZIP code and an average advertised download of 846 Mbps statewide. T-Mobile and Charter (Spectrum) are the next-largest reporting providers in the state. See the full Louisiana state profile for the complete competitive landscape.
How can I check Cox Communications availability at my Louisiana address?
Look up your ZIP code on this site to see every provider that reports coverage there, including Cox Communications. The FCC also operates an address-level lookup at broadbandmap.fcc.gov where you can file a challenge if the reported coverage does not match what is actually serviceable at your home.
Source: FCC Broadband Data Collection, 2026.