#10 of 10 NH counties · 16 structures

Cell towers in Sullivan County, NH

The FCC registry lists 16 constructed antenna structures in Sullivan County, 4% of New Hampshire's 430. Array Digital Infrastructure owns 6 of them (38%), so a landowner here with a tower lease is more likely than not dealing with one company. The three big tower companies — American Tower, Crown Castle and SBA — hold 6 between them.

Value a buyout offer

1Constructed structures 16
2Tallest 357 ft
3Largest owner Array Digital Infrastructure
4Median height (state 167 ft) 199 ft

Structures

rank 10 of 10 in NH

Most common type

Guyed tower

31% of structures

Over 200 feet

44% of structures

Peak build decade

2000s

56% built then

Who owns the towers in Sullivan County

8 different registrants own the 16 structures. Owner names are the registrant's legal entity as filed with the FCC; the large tower companies file under many subsidiary names, which this site groups into families where the brand is in the name or listed in the company's SEC filings.

Constructed structures in Sullivan County by owner group, bars to scale. Source: FCC ASR, October 2026.

Height and age

The median structure here stands 199 feet, 32 feet taller than the New Hampshire median — a sign of broadcast and rural coverage towers rather than short suburban sites. The tallest is a guyed tower near Clarement at 357 feet, built in 2004. Most 56% were built in the 2000s.

Structures in Sullivan County by type, bars to scale. Source: FCC ASR.

Structures in Sullivan County by decade built, columns to scale. Source: FCC ASR.

Every registered structure

Sorted tallest first. The registration number opens the FCC record, which shows the exact location and the owner's contact for the structure. A tower on your land that is not in this list is probably under 200 feet and away from airports, so it did not need registering — see why some towers aren't listed.

FCC reg.	Type	Height	Built	City	Owner
1034453	Guyed tower	357 ft	2004	Clarement	ARRAY DIGITAL INFRASTRUCTURE, INC.
1052991	Tower	345 ft	2009	Lempster	American Towers LLC
1320852	Lattice tower	322 ft	2022	Unity	ARRAY DIGITAL INFRASTRUCTURE, INC.
1034464	Guyed tower	305 ft	1992	Claremont	ARRAY DIGITAL INFRASTRUCTURE, INC.
1033495	Guyed tower	292 ft	1993	Springfield	American Towers LLC
1033984	Guyed tower	208 ft	2003	Newport	SBA Towers VI, LLC
1043514	Lattice tower	201 ft	1964	Plainfield	American Towers LLC
1314713	Lattice tower	200 ft	2021	Croydon	Industrial Tower and Wireless, LLC
1232382	Monopole	198 ft	2000	Springfield	SBA Towers, LLC
1248488	Monopole	190 ft	2005	Claremont	ARRAY DIGITAL INFRASTRUCTURE, INC.
1313050	Monopole	170 ft	2020	Cornish	Vertical Bridge Development, LLC
1265576	Pole	144 ft	2009	Newport	Rural Cellular Corporation
1251198	Monopole	129 ft	2005	Plainfield	ARRAY DIGITAL INFRASTRUCTURE, INC.
1246103	Pole	125 ft	2005	Lebanon	ARRAY DIGITAL INFRASTRUCTURE, INC.
1236746	Tower	115 ft	2002	Newport	Comcast of Connecticut/Georgia/Massachusetts/New Hampshire/New York/North Carolina/Virginia/Vermont, LLC
1280942	Guyed tower	101 ft	1992	Claremont	American Towers LLC

If you have a tower lease in Sullivan County

Find your structure above, open its FCC record and confirm the owner — that is the company your lease runs to today, even if a different carrier signed it originally. Before answering a buyout offer, put your current rent, escalator and remaining term into the calculator to see what the rent is worth and what return the offer assumes.

Counties in New Hampshire with similar tower counts: Strafford County (34), Belknap County (30), Carroll County (18).

Source: FCC Antenna Structure Registration, weekly public access file (r_tower.zip, created 2026-10-18); constructed registrations only; locations rounded. Checked 2026-10-23. Methodology.