North Dakota Telephone Company Internet in North Dakota
389 ZIP codes covered · 1,000 Mbps max download · Fiber (FTTH) + ADSL
North Dakota Telephone Company in North Dakota: What You Get
North Dakota Telephone Company is one of 10 broadband providers active across North Dakota, with reported coverage in 389 ZIP codes out of 389 statewide. The carrier delivers service over Fiber (FTTH) and ADSL, with an advertised maximum of 1,000 Mbps download and 1,000 Mbps upload at the top tier where the network supports it. Statewide, North Dakota averages 1,000 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 North Dakota Telephone Company report inside a North 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.
North Dakota ZIP Codes Where North Dakota Telephone Company Reports Service
Top 40 North Dakota ZIPs by Broadband Grade where North Dakota Telephone Company appears in the FCC BDC filings. The full 389-ZIP footprint is available via the provider's national page.
| ZIP | City / County | Grade | Max Mbps | Providers |
|---|---|---|---|---|
| 57648 | Emmons | A | 1,000 | 10 |
| 58013 | Sargent | A | 1,000 | 10 |
| 58017 | Sargent | A | 1,000 | 10 |
| 58027 | Ransom | A | 1,000 | 10 |
| 58032 | Sargent | A | 1,000 | 10 |
| 58033 | Ransom | A | 1,000 | 10 |
| 58040 | Sargent | A | 1,000 | 10 |
| 58043 | Sargent | A | 1,000 | 10 |
| 58046 | Steele | A | 1,000 | 10 |
| 58049 | Barnes | A | 1,000 | 10 |
| 58054 | Ransom | A | 1,000 | 10 |
| 58056 | Steele | A | 1,000 | 10 |
| 58060 | Sargent | A | 1,000 | 10 |
| 58062 | Barnes | A | 1,000 | 10 |
| 58063 | Barnes | A | 1,000 | 10 |
| 58065 | Barnes | A | 1,000 | 10 |
| 58067 | Sargent | A | 1,000 | 10 |
| 58068 | Ransom | A | 1,000 | 10 |
| 58069 | Sargent | A | 1,000 | 10 |
| 58072 | Barnes | A | 1,000 | 10 |
| 58212 | Nelson | A | 1,000 | 10 |
| 58216 | Pembina | A | 1,000 | 10 |
| 58220 | Pembina | A | 1,000 | 10 |
| 58222 | Pembina | A | 1,000 | 10 |
| 58224 | Nelson | A | 1,000 | 10 |
| 58225 | Pembina | A | 1,000 | 10 |
| 58230 | Steele | A | 1,000 | 10 |
| 58236 | Pembina | A | 1,000 | 10 |
| 58238 | Pembina | A | 1,000 | 10 |
| 58239 | Cavalier | A | 1,000 | 10 |
| 58240 | Steele | A | 1,000 | 10 |
| 58241 | Pembina | A | 1,000 | 10 |
| 58249 | Cavalier | A | 1,000 | 10 |
| 58254 | Nelson | A | 1,000 | 10 |
| 58255 | Cavalier | A | 1,000 | 10 |
| 58259 | Nelson | A | 1,000 | 10 |
| 58260 | Cavalier | A | 1,000 | 10 |
| 58262 | Pembina | A | 1,000 | 10 |
| 58265 | Pembina | A | 1,000 | 10 |
| 58269 | Cavalier | A | 1,000 | 10 |
See how your connection compares to North Dakota Telephone Company's advertised 1,000 Mbps tier in North Dakota.
Other North Dakota Internet Providers
North Dakota Telephone Company North Dakota FAQ
Is North Dakota Telephone Company available in North Dakota?
Yes. North Dakota Telephone Company reports broadband service in 389 North 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 North Dakota Telephone Company offer in North Dakota?
North Dakota Telephone Company reports a maximum advertised download of 1,000 Mbps and maximum upload of 1,000 Mbps using Fiber (FTTH), ADSL in North Dakota. Real-world median throughput typically runs 60-80% of advertised speeds during peak evening hours per M-Lab measurement data.
Does North Dakota Telephone Company offer fiber internet in North Dakota?
North Dakota Telephone Company reports fiber-to-the-home availability in 389 ZIP codes nationwide, including portions of its North Dakota footprint. Fiber tiers from North Dakota Telephone Company support symmetrical multi-gig speeds where deployed; legacy DSL and cable portions of the footprint use copper plant.
How does North Dakota Telephone Company compare to other North Dakota internet providers?
North Dakota has an average of 10 reported broadband providers per ZIP code and an average advertised download of 1,000 Mbps statewide. T-Mobile and Consolidated Communications are the next-largest reporting providers in the state. See the full North Dakota state profile for the complete competitive landscape.
How can I check North Dakota Telephone Company availability at my North Dakota address?
Look up your ZIP code on this site to see every provider that reports coverage there, including North Dakota Telephone Company. 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.