Charleston County Internet
Charleston County, South Carolina has a Broadband Grade of A with an average download speed of 1000 Mbps across 26 ZIP codes. 100% of the county has fiber internet access, and the area averages 10 providers per ZIP code. Internet access is above average for the U.S.
ZIP Code Grades in Charleston County
Fastest ZIP Codes in Charleston County
| ZIP | Grade | Download | Providers | Fiber |
|---|---|---|---|---|
| 29401 | A | 1000 Mbps | 10 | Yes |
| 29403 | A | 1000 Mbps | 10 | Yes |
| 29404 | A | 1000 Mbps | 10 | Yes |
| 29405 | A | 1000 Mbps | 10 | Yes |
| 29406 | A | 1000 Mbps | 10 | Yes |
| 29407 | A | 1000 Mbps | 10 | Yes |
| 29409 | A | 1000 Mbps | 10 | Yes |
| 29412 | A | 1000 Mbps | 10 | Yes |
| 29414 | A | 1000 Mbps | 10 | Yes |
| 29418 | A | 1000 Mbps | 10 | Yes |
Slowest ZIP Codes in Charleston County
| ZIP | Grade | Download | Providers | Fiber |
|---|---|---|---|---|
| 29401 | A | 1000 Mbps | 10 | Yes |
| 29403 | A | 1000 Mbps | 10 | Yes |
| 29404 | A | 1000 Mbps | 10 | Yes |
| 29405 | A | 1000 Mbps | 10 | Yes |
| 29406 | A | 1000 Mbps | 10 | Yes |
| 29407 | A | 1000 Mbps | 10 | Yes |
| 29409 | A | 1000 Mbps | 10 | Yes |
| 29412 | A | 1000 Mbps | 10 | Yes |
| 29414 | A | 1000 Mbps | 10 | Yes |
| 29418 | A | 1000 Mbps | 10 | Yes |
Frequently Asked Questions
What is the average internet speed in Charleston County, South Carolina?
Charleston County, South Carolina has an average maximum download speed of 1000 Mbps across 26 ZIP codes. The county received a Broadband Grade of A (80/100), which factors in download speed, provider competition, fiber availability, and upload speed. This meets the FCC broadband standard of 100 Mbps download.
How many internet providers are in Charleston County?
Charleston County has an average of 10 internet providers per ZIP code. 100% of ZIP codes in the county have fiber internet access. Having 3 or more providers typically leads to better prices and service quality through competition.
Is there fiber internet in Charleston County?
100% of ZIP codes in Charleston County, South Carolina have fiber internet available. Fiber provides the fastest and most reliable connections, typically 500 Mbps to 5 Gbps with symmetrical upload speeds. Fiber coverage in this county is above the national average.
What is the best ZIP code for internet in Charleston County?
The best-connected ZIP code in Charleston County is 29401 with a Broadband Grade of A, 1000 Mbps maximum download, and 10 providers. Fiber internet is available in this ZIP code.
See how your connection compares to Charleston County's 1000 Mbps average.