Guest, Sign inJoin

Post to Sullivan

We’ll email a one-tap link to publish your post. No password, and nothing is public until you click it.
Already a member? Sign in
Congregational Church, Sullivan, NHPhoto: Unknown photographer · Public domain
The Sullivan handbook

Living in Sullivan, NH: what to set up and who to call

To register to vote, go to the town clerk of Sullivan: Sullivan runs its own elections. Fidium Fiber is the only wired internet provider that reaches most of Sullivan.

I’m new in town

What to set up in Sullivan, and who provides it. Tap an answer for the details and where they come from.

Home services

Power, water and internet

Who to call to start service at a new address in Sullivan.

Electricity

Power comes from Eversource

Eversource (Public Service Co. of New Hampshire), an investor-owned utility, serves all of Sullivan. Its homes paid an average of 24.2¢ per kWh in 2025, about $150 a month (its average across New Hampshire, for customers on its standard service). New Hampshire lets you buy power from another supplier; 43% of Eversource’s home customers do, and Eversource still delivers it.

Start or move service: eversource.com · (800) 662-7764

Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.

Internet

5 home internet providers serve Sullivan

70% of 330 addresses can get 100/20 Mbps; 64% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
Fidium FiberFiber64%2,000/2,000
Consolidated CommunicationsDSL15%60/10
T-MobileFixed wireless29%100/20
VTel WirelessFixed wireless23%25/3
VerizonFixed wireless8%25/6

FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.

Trash & recycling

We don’t have Sullivan’s trash rules yet

Pickup rules, the dump and recycling in Sullivan.

Schools

Where your child goes to school

Public school districts and the school path by grade.

Sullivan is in Sullivan School District.

Test scores and every school: see Schools →

U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.

Government & voting

Town hall and registering to vote

Who to call, and how to register.

Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 19, 2024.

ZIP codes & area codes

Sullivan is in ZIP code 03445

ZIP codes where Sullivan residents live, with the share of the town in each.

ZIPPost office nameShare of SullivanZIP’s residents in Sullivan
03445Sullivan, NH100%99%
Area code603Wikidata

Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.

Everyday places

Getting around, the ER and the library

One line each; the subject pages have the rest.

ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.

Questions about living in Sullivan

Who provides electricity in Sullivan?

Eversource (Public Service Co. of New Hampshire), an investor-owned utility. Its homes paid about 24.2¢ per kWh in 2025 (EIA).

What internet providers serve Sullivan?

Fidium Fiber, Consolidated Communications, T-Mobile, VTel Wireless, Verizon (FCC, as of December 2025).

What ZIP codes are in Sullivan?

03445. Census 2020 ZIP Code Tabulation Areas.

What school district is Sullivan in?

Sullivan School District.

How do I register to vote in Sullivan?

New Hampshire has no online registration; you can register in person up to and including Election Day or by mail only in special circumstances (received 13 days before). Elections here are run by the Town Clerk of Sullivan. Check your registration at app.sos.nh.gov.

Sources & dates

Every answer above names its source. Here they are with their dates.

  • Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
  • Trash: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
  • ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
  • Schools: NCES Common Core of Data, 2024–25.
  • Registration: vote.gov, updated Nov 19, 2024 (read Oct 10, 2026). Official sites and area codes: Wikidata.
  • Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
  • Internet: FCC National Broadband Map, as of December 2025.