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DSDownloadSpeed
FCC Data · Updated April 2026
A

St. Mary County Internet

St. Mary County, Louisiana has a Broadband Grade of A with an average download speed of 1000 Mbps across 7 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.

86
Score
1000 Mbps
Avg Download
100%
Fiber Access
10
Avg Providers
Grade Distribution

ZIP Code Grades in St. Mary County

A
7
B
0
C
0
D
0
F
0
Best

Fastest ZIP Codes in St. Mary County

ZIPGradeDownloadProvidersFiber
70340A1000 Mbps10Yes
70342A1000 Mbps10Yes
70392A1000 Mbps10Yes
70514A1000 Mbps10Yes
70522A1000 Mbps10Yes
70523A1000 Mbps10Yes
70538A1000 Mbps10Yes
Needs Improvement

Slowest ZIP Codes in St. Mary County

ZIPGradeDownloadProvidersFiber
70340A1000 Mbps10Yes
70342A1000 Mbps10Yes
70392A1000 Mbps10Yes
70514A1000 Mbps10Yes
70522A1000 Mbps10Yes
70523A1000 Mbps10Yes
70538A1000 Mbps10Yes
FAQ

Frequently Asked Questions

What is the average internet speed in St. Mary County, Louisiana?

St. Mary County, Louisiana has an average maximum download speed of 1000 Mbps across 7 ZIP codes. The county received a Broadband Grade of A (86/100), 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 St. Mary County?

St. Mary 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 St. Mary County?

100% of ZIP codes in St. Mary County, Louisiana 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 St. Mary County?

The best-connected ZIP code in St. Mary County is 70340 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 St. Mary County's 1000 Mbps average.