NorthWestern Corporation
Registered owner of 72 FCC antenna structures · FCC licensee ID L00263806. Every structure below links to its full registration page.
At a glance
NorthWestern Corporation is the registered owner of 72 antenna structures in the FCC Antenna Structure Registration database, filed under FCC licensee ID L00263806. That is the 268th-largest portfolio among the 7,865 owners with two or more registrations. Its largest footprint is in Montana, with 47 registrations. Its tallest constructed structure is 107 m (350 ft) near Bancroft, SD.
Dataset updated . Refreshed from the FCC ASR weekly bulk database.
Portfolio
Tallest structures
| # | Structure | Height | Type |
|---|---|---|---|
| 1 | Bancroft, SD · 1039353 | 107 m | Tower (type not specified) |
| 2 | Colstrip, MT · 1034992 | 101 m | Tower (type not specified) |
| 3 | Ree Heights, SD · 1039348 | 95 m | Tower (type not specified) |
| 4 | Clark, SD · 1039354 | 95 m | Tower (type not specified) |
| 5 | Wessington Springs, SD · 1268551 | 94 m | Tower (type not specified) |
| 6 | Avon, SD · 1274020 | 94 m | Tower (type not specified) |
| 7 | Yankton, SD · 1039350 | 89 m | Tower (type not specified) |
| 8 | Winfred, SD · 1039344 | 81 m | Tower (type not specified) |
| 9 | Arlington, SD · 1307552 | 78 m | Guyed tower |
| 10 | Great Falls, MT · 1023315 | 76 m | Tower (type not specified) |
| 11 | Winfred, SD · 1304142 | 76 m | Guyed tower |
| 12 | White Lake, SD · 1035411 | 65 m | Tower (type not specified) |
| 13 | Ree Heights, SD · 1039349 | 61 m | Tower (type not specified) |
| 14 | Huron, SD · 1039351 | 60 m | Tower (type not specified) |
| 15 | Harlowton, MT · 1023311 | 51 m | Tower (type not specified) |
Footprint
States
| State | Structures |
|---|---|
| Montana | 47 |
| South Dakota | 25 |
Mix
Structure types
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Where does NorthWestern Corporation own antenna structures?
NorthWestern Corporation's registrations span 2 states. In Montana it holds 47, which is 3.2% of the 1,459 structures registered in the state. In South Dakota it holds 25, which is 1.9% of the 1,289 structures registered in the state.
How does NorthWestern Corporation compare with other tower owners?
With 72 registrations, NorthWestern Corporation accounts for 0.04% of the 197,833 registrations in the FCC registry. It ranks 268th by portfolio size among the 7,865 owners holding two or more registrations, out of 20,857 distinct owners in all. Neighbouring portfolios in that ranking are Clearview Tower Company II, LLC (72), State of Alaska (72) and Southwestco Wireless LP (72).
What kinds of structures does NorthWestern Corporation register?
The most common filed structure type in the portfolio is tower (code TOWER), with 37 registrations or 51.4% of the total. It also registers pole (11), lattice tower (10) and guyed tower (5).
The tallest constructed structure in the portfolio is registration 1039353, a tower near Bancroft, SD at 107 m (350 ft). That is about 55% above the national average registered height of 69 m.
Frequently asked questions
How many towers does NorthWestern Corporation own?
NorthWestern Corporation holds 72 FCC antenna structure registrations, with the largest concentration in Montana (47). Only FCC-registrable structures are counted — shorter sites below the registration threshold don't appear.
What is the tallest structure NorthWestern Corporation owns?
Its tallest registered structure is 107 m (350 ft) near Bancroft, SD (registration 1039353).
Where does NorthWestern Corporation own towers?
Its largest state footprints are Montana (47) and South Dakota (25).
What kind of towers does NorthWestern Corporation own?
Most of its registrations are filed as tower (type not specified) (37 of 72).
What is NorthWestern Corporation's FCC licensee ID?
The FCC Antenna Structure Registration records group these structures under licensee ID L00263806.
Related pages
About this data
Source: FCC Antenna Structure Registration (ASR) database, as published October 20, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: TowerCensus, “NorthWestern Corporation antenna structure portfolio (FCC licensee L00263806)”, https://towercensus.com/owners/northwestern-corporation-l00263806 (data as of October 20, 2026).