Antenna structures in Sullivan County, New Hampshire
At a glance
Sullivan County, New Hampshire has 27 FCC-registered antenna structures, 16 of them marked constructed. That is the 10th-largest count among the 10 New Hampshire counties with registrations, and 4.4% of the state's 608. The tallest constructed structure in the county is registration 1034453 near Clarement at 109 m (357 ft).
Dataset updated . Refreshed from the FCC ASR weekly bulk database.
How does Sullivan County compare with the rest of New Hampshire?
With 27 registrations, Sullivan County ranks 10th of 10 counties in New Hampshire; Hillsborough County leads the state with 143. The average registered overall height here is 65 m, about 23% above the New Hampshire average of 53 m. The tallest standing structure, at 109 m, is about 66% above the county average.
What kinds of structures are registered in Sullivan County?
The most common filed structure type in Sullivan County is guyed tower (code GTOWER), with 5 registrations (18.5%). It is followed by lattice tower (4) and tower (4). In all, 11 different FCC structure-type codes appear in the county.
By registration status: 16 constructed, 7 granted (not yet constructed), 2 canceled, 1 dismantled and 1 terminated. Only constructed registrations describe structures the registry treats as standing; canceled, dismantled and terminated records stay listed as history.
Who owns the towers in Sullivan County?
KOOR COMMUNICATIONS INC holds the most registrations in Sullivan County, with 7 of the 27. The next largest are ARRAY DIGITAL INFRASTRUCTURE, INC. (6), American Towers LLC (4) and Cellco Partnership (3). 11 owners with two or more registrations nationwide hold structures in the county.
- KOOR COMMUNICATIONS INC · 7
- ARRAY DIGITAL INFRASTRUCTURE, INC. · 6
- American Towers LLC · 4
- Cellco Partnership · 3
- Comcast of Connecticut/Georgia/Massachusetts/New Hampshire/New York/North Carolina/Virginia/Vermont, LLC · 1
- Industrial Tower and Wireless, LLC · 1
- Rural Cellular Corporation · 1
- SBA Towers II LLC · 1
Which places in Sullivan County have registered structures?
Registrations in Sullivan County list 12 different city or place names. The most frequent are Newport (7), Charlestown Township (6), Claremont (3), Springfield (2) and Plainfield (2).
Every registration
All 27 structures in Sullivan County, tallest first
| # | Structure | Height | Type | Status |
|---|---|---|---|---|
| 1 | Clarement · 1034453 | 109 m | Guyed tower | Constructed |
| 2 | Lempster · 1052991 | 105 m | Tower (type not specified) | Constructed |
| 3 | Unity · 1320852 | 98 m | Lattice tower | Constructed |
| 4 | Claremont · 1034464 | 93 m | Guyed tower | Constructed |
| 5 | Springfield · 1033495 | 89 m | Guyed tower | Constructed |
| 6 | Charlestown Township · 1248222 | 81 m | Antenna tower array (tower 1 of 6) | Granted (not yet constructed) |
| 7 | Charlestown Township · 1248223 | 81 m | Antenna tower array (tower 2 of 6) | Granted (not yet constructed) |
| 8 | Charlestown Township · 1248224 | 81 m | Antenna tower array (tower 3 of 6) | Granted (not yet constructed) |
| 9 | Charlestown Township · 1248225 | 81 m | Antenna tower array (tower 4 of 6) | Granted (not yet constructed) |
| 10 | Charlestown Township · 1248226 | 81 m | Antenna tower array (tower 5 of 6) | Granted (not yet constructed) |
| 11 | Charlestown Township · 1248227 | 81 m | Antenna tower array (tower 6 of 6) | Granted (not yet constructed) |
| 12 | Newport · 1033984 | 63 m | Guyed tower | Constructed |
| 13 | Newport · 1260103 | 62 m | Lattice tower | Granted (not yet constructed) |
| 14 | Plainfield · 1043514 | 61 m | Lattice tower | Constructed |
| 15 | Croydon · 1314713 | 61 m | Lattice tower | Constructed |
| 16 | Springfield · 1232382 | 60 m | Monopole | Constructed |
| 17 | Claremont · 1248488 | 58 m | Monopole | Constructed |
| 18 | Newport · 1260819 | 58 m | Unspecified structure | Dismantled |
| 19 | Cornish · 1313050 | 52 m | Monopole | Constructed |
| 20 | Newport · 1260068 | 46 m | Tower (type not specified) | Canceled |
| 21 | Newport · 1265576 | 44 m | Pole | Constructed |
| 22 | Newport · 1260046 | 44 m | Tower (type not specified) | Canceled |
| 23 | Plainfield · 1251198 | 39 m | Monopole | Constructed |
| 24 | Lebanon · 1246103 | 38 m | Pole | Constructed |
| 25 | Newport · 1236746 | 35 m | Tower (type not specified) | Constructed |
| 26 | Charlestown · 1256652 | 34 m | Pole | Terminated |
| 27 | Claremont · 1280942 | 31 m | Guyed tower | Constructed |
Frequently asked questions
How many cell towers are in Sullivan County, NH?
The FCC Antenna Structure Registration database lists 27 registered antenna structures in Sullivan County, New Hampshire, 16 of them constructed. Registration is generally required only for structures taller than about 60 m or near airports, so shorter cell sites may not appear.
What is the tallest tower in Sullivan County?
The tallest constructed registered structure in Sullivan County is registration 1034453, a guyed tower near Clarement at 109 m (357 ft) overall height.
Who owns the most towers in Sullivan County?
KOOR COMMUNICATIONS INC holds the most registrations in Sullivan County (7), followed by ARRAY DIGITAL INFRASTRUCTURE, INC. (6).
What kind of towers are in Sullivan County?
Guyed tower is the most common filed type (5 of 27 registrations), then lattice tower (4).
More in New Hampshire
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 structures in Sullivan County, New Hampshire”, https://towercensus.com/towers/new-hampshire/county/sullivan-county (data as of October 13, 2026).