4SIWI Speed Test

Maintained by:Carson WardData & methodology:Wes WardLast updated:{{date_modified_text}}January 31, 2026

Enter a zip code, city, or address below to see what speeds you can expect in your location for 4SIWI and other ISPs.

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Jump to: Speed Benchmarks | Speed Reviews | 4SIWI Availability

4SIWI Speed Benchmarks

Here’s how your result stacks up against 4SIWI's benchmarks: fastest available speeds reach 1,000 Mbps down / 1,000 Mbps up. Across 4SIWI’s footprint, typical available speeds average 198 Mbps down / 127 Mbps up.

4SIWI Internet by State

This map highlights 4SIWI coverage and speeds by state, 4SIWI has the biggest presence in Illinois. Hover over each state to see 4SIWI availability by connection type, and click on a state to see all providers in that state.

4SIWI Speed Reviews

4SIWI has an overall rating of out of 5, with a total of 0 reviews and ratings across the United States. Speed ratings by service type include: Fiber: not been rated by customers yet, Cable: not been rated by customers yet, DSL: not been rated by customers yet, Fixed Wireless: not been rated by customers yet. If you'd like to tell others about your experience, you can rate or review 4SIWI here.

Biggest Cities with 4SIWI Internet Service

4SIWI is available in 61 cities throughout the country. Here is a list of the largest cities with 4SIWI internet service: