Interstate Telecommunications Cooperative, INC.
375 ZIP codes · 1 states · 1,000 Mbps max
Available Connection Types
Avg across service area: 1000 Mbps
Avg across service area: 100 Mbps
Largest Markets
| State | ZIP Codes | % of Coverage |
|---|---|---|
| Interstate Telecommunications Cooperative, INC. in South Dakota | 375 | 100% |
See how your connection compares to Interstate Telecommunications Cooperative, INC.'s advertised 1000 Mbps max speed.
Frequently Asked Questions
How many areas does Interstate Telecommunications Cooperative, INC. serve?
Interstate Telecommunications Cooperative, INC. provides internet service in 375 ZIP codes across 1 states. The areas served by Interstate Telecommunications Cooperative, INC. have an average Broadband Grade of A (score: 89/100).
What speeds does Interstate Telecommunications Cooperative, INC. offer?
Interstate Telecommunications Cooperative, INC. offers maximum download speeds of 1,000 Mbps and upload speeds of 100 Mbps. Average download across their service area is 1000 Mbps. Technologies include Fiber (FTTH).
Does Interstate Telecommunications Cooperative, INC. offer fiber internet?
Yes, Interstate Telecommunications Cooperative, INC. offers fiber internet in 375 ZIP codes (100% of their service area). Fiber provides the fastest and most reliable connections with symmetrical upload and download speeds.
Where is Interstate Telecommunications Cooperative, INC. available?
Interstate Telecommunications Cooperative, INC. is available in 1 states. Their largest markets are South Dakota (375 ZIPs).
this entity is one of the data points covered by this site’s U.S. internet availability and broadband speed dataset. The detail above comes directly from the FCC Broadband Data Collection (BDC); the context that follows situates the headline numbers against the broader distribution across U.S. ZIPs, counties, and states.
The methodology behind every numeric value on this page is publicly documented on the the FCC Broadband Data Collection (BDC) portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. ZIPs, counties, and states. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: FCC Broadband Data Collection, 2026.