Golden West Telecommunications Internet in South Dakota
375 ZIP codes covered · 100 Mbps max download · Fiber (FTTH) + ADSL
Golden West Telecommunications in South Dakota: What You Get
Golden West Telecommunications is one of 10 broadband providers active across South Dakota, with reported coverage in 375 ZIP codes out of 375 statewide. The carrier delivers service over Fiber (FTTH) and ADSL, with an advertised maximum of 100 Mbps download and 100 Mbps upload at the top tier where the network supports it. Statewide, South Dakota averages 897 Mbps advertised download and 100% fiber-to-the-home coverage per the latest FCC National Broadband Map.
FCC Broadband Data Collection coverage is filed at the location level by every facilities-based provider and rolled up to ZIP, county, and state aggregates roughly every six months. A Golden West Telecommunications report inside a South Dakota ZIP code means at least one address inside the ZIP qualifies for service; it does not guarantee every home in the ZIP can subscribe at the advertised peak tier. For a definitive address-level check, use the FCC's public lookup or call the carrier directly.
South Dakota ZIP Codes Where Golden West Telecommunications Reports Service
Top 40 South Dakota ZIPs by Broadband Grade where Golden West Telecommunications appears in the FCC BDC filings. The full 375-ZIP footprint is available via the provider's national page.
| ZIP | City / County | Grade | Max Mbps | Providers |
|---|---|---|---|---|
| 56219 | Roberts | A | 1,000 | 10 |
| 57213 | Deuel | A | 1,000 | 10 |
| 57216 | Grant | A | 1,000 | 10 |
| 57217 | Clark | A | 1,000 | 10 |
| 57218 | Deuel | A | 1,000 | 10 |
| 57219 | Day | A | 1,000 | 10 |
| 57221 | Hamlin | A | 1,000 | 10 |
| 57223 | Hamlin | A | 1,000 | 10 |
| 57224 | Roberts | A | 1,000 | 10 |
| 57225 | Clark | A | 1,000 | 10 |
| 57226 | Deuel | A | 1,000 | 10 |
| 57227 | Roberts | A | 1,000 | 10 |
| 57232 | Marshall | A | 1,000 | 10 |
| 57234 | Deuel | A | 1,000 | 10 |
| 57236 | Clark | A | 1,000 | 10 |
| 57237 | Deuel | A | 1,000 | 10 |
| 57238 | Deuel | A | 1,000 | 10 |
| 57239 | Day | A | 1,000 | 10 |
| 57241 | Hamlin | A | 1,000 | 10 |
| 57242 | Hamlin | A | 1,000 | 10 |
| 57246 | Grant | A | 1,000 | 10 |
| 57247 | Marshall | A | 1,000 | 10 |
| 57248 | Hamlin | A | 1,000 | 10 |
| 57251 | Grant | A | 1,000 | 10 |
| 57252 | Grant | A | 1,000 | 10 |
| 57255 | Roberts | A | 1,000 | 10 |
| 57256 | Grant | A | 1,000 | 10 |
| 57257 | Roberts | A | 1,000 | 10 |
| 57258 | Clark | A | 1,000 | 10 |
| 57259 | Grant | A | 1,000 | 10 |
| 57260 | Roberts | A | 1,000 | 10 |
| 57261 | Day | A | 1,000 | 10 |
| 57262 | Roberts | A | 1,000 | 10 |
| 57264 | Grant | A | 1,000 | 10 |
| 57265 | Grant | A | 1,000 | 10 |
| 57266 | Grant | A | 1,000 | 10 |
| 57268 | Deuel | A | 1,000 | 10 |
| 57269 | Grant | A | 1,000 | 10 |
| 57270 | Marshall | A | 1,000 | 10 |
| 57271 | Clark | A | 1,000 | 10 |
See how your connection compares to Golden West Telecommunications's advertised 100 Mbps tier in South Dakota.
Other South Dakota Internet Providers
Golden West Telecommunications South Dakota FAQ
Is Golden West Telecommunications available in South Dakota?
Yes. Golden West Telecommunications reports broadband service in 375 South Dakota ZIP codes in the FCC Broadband Data Collection filings as of April 2026. Coverage is reported at the location level and rolled up to ZIP code, so individual addresses inside a covered ZIP may or may not qualify for the advertised maximum tier.
What speeds does Golden West Telecommunications offer in South Dakota?
Golden West Telecommunications reports a maximum advertised download of 100 Mbps and maximum upload of 100 Mbps using Fiber (FTTH), ADSL in South Dakota. Real-world median throughput typically runs 60-80% of advertised speeds during peak evening hours per M-Lab measurement data.
Does Golden West Telecommunications offer fiber internet in South Dakota?
Golden West Telecommunications reports fiber-to-the-home availability in 375 ZIP codes nationwide, including portions of its South Dakota footprint. Fiber tiers from Golden West Telecommunications support symmetrical multi-gig speeds where deployed; legacy DSL and cable portions of the footprint use copper plant.
How does Golden West Telecommunications compare to other South Dakota internet providers?
South Dakota has an average of 10 reported broadband providers per ZIP code and an average advertised download of 897 Mbps statewide. T-Mobile and Lumen (CenturyLink) are the next-largest reporting providers in the state. See the full South Dakota state profile for the complete competitive landscape.
How can I check Golden West Telecommunications availability at my South Dakota address?
Look up your ZIP code on this site to see every provider that reports coverage there, including Golden West Telecommunications. The FCC also operates an address-level lookup at broadbandmap.fcc.gov where you can file a challenge if the reported coverage does not match what is actually serviceable at your home.
Source: FCC Broadband Data Collection, 2026.