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DSDownloadSpeed
FCC Data · Updated April 2026
A

Alameda County Internet

Alameda County, California has a Broadband Grade of A with an average download speed of 1000 Mbps across 49 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.

98
Score
1000 Mbps
Avg Download
100%
Fiber Access
10
Avg Providers
Grade Distribution

ZIP Code Grades in Alameda County

A
49
B
0
C
0
D
0
F
0
Best

Fastest ZIP Codes in Alameda County

ZIPGradeDownloadProvidersFiber
94501A1000 Mbps10Yes
94502A1000 Mbps10Yes
94536A1000 Mbps10Yes
94538A1000 Mbps10Yes
94539A1000 Mbps10Yes
94541A1000 Mbps10Yes
94542A1000 Mbps10Yes
94544A1000 Mbps10Yes
94545A1000 Mbps10Yes
94546A1000 Mbps10Yes
Needs Improvement

Slowest ZIP Codes in Alameda County

ZIPGradeDownloadProvidersFiber
94501A1000 Mbps10Yes
94502A1000 Mbps10Yes
94536A1000 Mbps10Yes
94538A1000 Mbps10Yes
94539A1000 Mbps10Yes
94541A1000 Mbps10Yes
94542A1000 Mbps10Yes
94544A1000 Mbps10Yes
94545A1000 Mbps10Yes
94546A1000 Mbps10Yes
FAQ

Frequently Asked Questions

What is the average internet speed in Alameda County, California?

Alameda County, California has an average maximum download speed of 1000 Mbps across 49 ZIP codes. The county received a Broadband Grade of A (98/100), 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 Alameda County?

Alameda 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 Alameda County?

100% of ZIP codes in Alameda 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 Alameda County?

The best-connected ZIP code in Alameda County is 94501 with a Broadband Grade of A, 1000 Mbps maximum download, and 10 providers. Fiber internet is available in this ZIP code.

Test Your Speed

See how your connection compares to Alameda County's 1000 Mbps average.