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DSDownloadSpeed
FCC Data · Updated April 2026
B

San Luis Obispo County Internet

San Luis Obispo County, California has a Broadband Grade of B with an average download speed of 1000 Mbps across 23 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.

63
Score
1000 Mbps
Avg Download
100%
Fiber Access
10
Avg Providers
Grade Distribution

ZIP Code Grades in San Luis Obispo County

A
0
B
23
C
0
D
0
F
0
Best

Fastest ZIP Codes in San Luis Obispo County

ZIPGradeDownloadProvidersFiber
93401B1000 Mbps10Yes
93402B1000 Mbps10Yes
93405B1000 Mbps10Yes
93407B1000 Mbps10Yes
93408B1000 Mbps10Yes
93409B1000 Mbps10Yes
93410B1000 Mbps10Yes
93420B1000 Mbps10Yes
93422B1000 Mbps10Yes
93424B1000 Mbps10Yes
Needs Improvement

Slowest ZIP Codes in San Luis Obispo County

ZIPGradeDownloadProvidersFiber
93401B1000 Mbps10Yes
93402B1000 Mbps10Yes
93405B1000 Mbps10Yes
93407B1000 Mbps10Yes
93408B1000 Mbps10Yes
93409B1000 Mbps10Yes
93410B1000 Mbps10Yes
93420B1000 Mbps10Yes
93422B1000 Mbps10Yes
93424B1000 Mbps10Yes
FAQ

Frequently Asked Questions

What is the average internet speed in San Luis Obispo County, California?

San Luis Obispo County, California has an average maximum download speed of 1000 Mbps across 23 ZIP codes. The county received a Broadband Grade of B (63/100), 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 San Luis Obispo County?

San Luis Obispo 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 San Luis Obispo County?

100% of ZIP codes in San Luis Obispo County, California 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 San Luis Obispo County?

The best-connected ZIP code in San Luis Obispo County is 93401 with a Broadband Grade of B, 1000 Mbps maximum download, and 10 providers. Fiber internet is available in this ZIP code.

Test Your Speed

See how your connection compares to San Luis Obispo County's 1000 Mbps average.