Tower 1000556 — Simms, MT
ConstructedFCC Antenna Structure Registration 1000556 — tower (type not specified) near Simms, Montana. Filed under the FCC's older general tower code, which does not record whether the tower is guyed, lattice or a monopole.
At a glance
FCC Antenna Structure Registration 1000556 is a 102 m (336 ft) tower near Simms, Lewis and Clark County, Montana. Its registration status is constructed, with construction recorded on Nov 3, 1961. It is registered to Mobile Communications Service.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1000556 |
| Unique system identifier | 107221 |
| Status | Constructed (C) |
| Structure type | Tower (type not specified) (TOWER) |
| Date constructed | Nov 3, 1961 |
| Registration issued | Apr 16, 2002 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 01-ANM-3690-OE |
| FAA circular | 70/7460-1K |
| Painting / lighting spec | 4, 6, 12 |
| Marking / lighting code | FAA Style D (5) |
The painting/lighting specification is copied as filed: the FAA marking and lighting chapters and paragraphs cited in the ASR record. The marking/lighting code is decoded using the FCC registration form's code list.
Registered owner
Mobile Communications Service
Great Falls, MT · FRN 0006443592
Location
- Address
- 11765 US Hwy 200 (Simms #88944--PNW)
- City
- Simms
- State
- Montana
- ZIP
- 59410
- County
- Lewis and Clark County
- County FIPS
- 30049
- Coordinates
- 47.36944, -112.07528
Within ~40 km
Nearby structures
Lattice tower · Granted (not yet constructed)
Tower (type not specified) · Canceled
Guyed tower · Constructed
Lattice tower · Granted (not yet constructed)
Tower (type not specified) · Constructed
Guyed tower · Constructed
How tall is structure 1000556 compared with others?
At 102 m, structure 1000556 is about 2.7 times the 38 m average across the 91 structures registered in Lewis and Clark County. It is about twice the Montana average of 53 m across 1,459 registrations. Among the 75,247 registrations nationwide filed under the same structure-type code (TOWER), the average overall height is 76 m, so this one is about 34% above that figure.
The supporting structure itself measures 95 m; antennas and other appurtenances on top bring the overall height above ground to 102 m. The site's filed ground elevation is 1,423 m, which puts the top of the structure 1,526 m above mean sea level.
Where is structure 1000556, and what is registered around it?
The registration places the structure near Simms in Lewis and Clark County, Montana, at coordinates 47.36944, -112.07528, with the site address filed as "11765 US Hwy 200 (Simms #88944--PNW)". Lewis and Clark County has 91 FCC-registered antenna structures, the 2nd-largest count among the 56 Montana counties with registrations, and 60 of them are marked constructed. Montana as a whole has 1,459 registrations, the 39th-largest total among the 50 states and DC.
The tallest other registered structure within about 40 km is Cascade, MT · 1324716, a lattice tower at 111 m (granted (not yet constructed)).
What does the status "Constructed" mean?
Constructed means the owner has notified the FCC that construction is complete, so the registry treats the structure as standing. The FCC issued registration 1000556 on Apr 16, 2002. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 1,057 in Montana.
Who owns antenna structure 1000556?
The FCC record lists Mobile Communications Service of Great Falls, MT as the registered owner, under FCC Registration Number 0006443592.
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 01-ANM-3690-OE and FAA Advisory Circular 70/7460-1K, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 5, is listed on the FCC registration form as "FAA Style D". The painting and lighting specification on file cites FAA chapters 4, 6, 12.
Frequently asked questions
How tall is antenna structure 1000556?
Its registered overall height above ground is 102 m (336 ft), and 1,526 m (5,005 ft) above mean sea level.
Who owns tower 1000556?
The registered owner is Mobile Communications Service.
Where is antenna structure 1000556?
It is located near Simms, Lewis and Clark County, Montana at 11765 US Hwy 200 (Simms #88944--PNW) (47.36944, -112.07528). Its status is constructed; it was constructed on Nov 3, 1961.
What type of structure is 1000556?
It is filed with the FCC under structure-type code TOWER, which decodes to "Tower (type not specified)". Filed under the FCC's older general tower code, which does not record whether the tower is guyed, lattice or a monopole. 75,247 registrations nationwide use the same code.
How many antenna structures are registered in Lewis and Clark County, MT?
Lewis and Clark County has 91 FCC-registered antenna structures, 60 of them constructed — the 2nd-largest count among 56 counties in Montana.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1000556, weekly bulk file.
About this data
Source: FCC Antenna Structure Registration (ASR) database, as published October 13, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: TowerCensus, “Antenna structure 1000556, Simms, Lewis and Clark County, Montana”, https://towercensus.com/towers/montana/simms-1000556 (data as of October 13, 2026).