Sebastian is an average-sized internet service provider in the United States, serving 1 state or territory: California. Learn more about Sebastian's coverage and availability on this page.
Can I get Sebastian internet in my area?
The easiest way to find out is to click the link below.
You may enter your zip code to check local availability or view the map below before contacting Sebastian.
Sebastian Availability Map
Any Internet Availability
On the map you can see Sebastian's coverage area in the United States. Areas in green are most likely to have coverage, where some homes in yellow to red areas may not have coverage.
The table below shows coverage and average maximum speeds by state.
| State | Availaiblity | Average Best Speed |
|---|---|---|
| California | 0.09% | 663 Mbps |
How fast is Sebastian's internet?
Internet Download Speed
The map above shows average maximum speeds by area. Overall, Sebastian internet speeds are adequate for most homes.
Download speeds (the speed at which you receive files and streaming video) range from 10 to 1,000 Mbps. The average customer has access to plans with download speeds up to 663 Mbps. This puts Sebastian in the 52nd percentile versus other ISPs for download speeds, meaning speeds are on par with the average provider in the US.
Upload speeds (the speed you can send files and video to others) range from a low of 1.0 Mbps to a high of 1,000 Mbps. The average is 632 Mbps, placing Sebastian in the 58th percentile for internet provider upload speeds, which is adequate for a modern household.
What broadband services does Sebastian offer?
Across the country Sebastian offers DSL and fiber internet service. The table below shows which types of service Sebastian offers and the average maximum speed for each service type. “Coverage” is the percent of Sebastian customers who can get that type of service.
Technology |
Coverage |
Average Best Speed |
|---|---|---|
Fiber |
77.34% |
832 Mbps |
DSL |
84.38% |
94 Mbps |
Where is Sebastian Fiber Available?
Fiber Internet Speed
The Sebastian fiber availability map shows where fiber has been made available to customers. If you can get fiber, it is usually the best option for most people due to fast speeds and low lag. Fiber is available within 77.34% of Sebastian's coverage footprint, and the average speed for fiber is 832 Mbps download and 811 Mbps upload.
Where is Sebastian DSL Available?
DSL Internet Speed
DSL is delivered over the telephone line. Speeds are often slower than cable or fiber, but the service is often less expensive. The above Sebastian DSL availability map shows where Sebastian customers can get DSL service and at what download speeds. The average speed of Sebastian DSL across the nation is 94 Mbps download and 23 Mbps for upload speed. 84.38% of Sebastian customers can choose DSL.
Can I get Sebastian TV Service?
Probably. Most fiber optic and cable companies are able to offer some kind of TV service. In either case, you can also get Sebastian internet and satellite TV.
What cities and zips does Sebastian serve?
With coverage in 20 cities and 10 zip codes, only the largest are listed below:
City |
Availability |
Average Best Speed |
|---|---|---|
| Fresno, CA | 2.53% | 612 Mbps |
| Kerman, CA | 99.63% | 794 Mbps |
| Sacramento, CA | 0.26% | 905 Mbps |
| Foresthill, CA | 99.16% | 913 Mbps |
| San Joaquin, CA | 81.69% | 196 Mbps |
| Biola, CA | 100.00% | 139 Mbps |
| Greenwood, CA | 39.73% | 1,000 Mbps |
| Tranquillity, CA | 69.00% | 197 Mbps |
| Rolinda, CA | 84.60% | 181 Mbps |
| Michigan Bluff, CA | 90.29% | 447 Mbps |
| Applegate, CA | 8.07% | 1,000 Mbps |
| Heather Glen, CA | 13.09% | 964 Mbps |
| Helm, CA | 26.35% | 49 Mbps |
| Raisin, CA | 9.32% | 25 Mbps |
| La Vina, CA | 5.30% | 1,000 Mbps |
| Magra, CA | 11.44% | 18 Mbps |
| Iowa Hill, CA | 45.24% | 12 Mbps |
| Ripperdan, CA | 4.32% | 100 Mbps |
| Colfax, CA | 0.13% | 25 Mbps |
| Casa Loma, CA | 10.84% | 1,000 Mbps |
Zip |
Availability |
Average Best Speed |
| 93630, CA | 98.57% | 786 Mbps |
| 95631, CA | 98.10% | 909 Mbps |
| 93660, CA | 80.91% | 198 Mbps |
| 93723, CA | 14.70% | 187 Mbps |
| 93606, CA | 100.00% | 132 Mbps |
| 93706, CA | 3.25% | 208 Mbps |
| 93668, CA | 70.39% | 200 Mbps |
| 95703, CA | 6.06% | 1,000 Mbps |
| 95713, CA | 0.45% | 20 Mbps |
| 93627, CA | 3.08% | 10 Mbps |