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Hamilton, North Dakota 7-9-2007Photo: Andrew Filer from Seattle (ex-Minneapolis) · CC BY-SA 2.0
The Hamilton handbook

Living in Hamilton, ND: what to set up and who to call

All of Hamilton gets its mail under one ZIP code, 58238. For a library card, the closest branch is Cavalier Public Library, 8.3 miles out.

Which school will my kid attend?How do I register to vote?ZIP codes

I’m new in town

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

PowerOtter Tail Powerinvestor-owned utility · 11.1¢/kWhMore →Internet2 providers100% of addresses get 100/20 MbpsMore →Trash & dumpNot on file yetWe don’t have Hamilton’s trash rules yetMore →SchoolCavalier Public School District 6Which school depends on grade and addressMore →Register to voteNot requiredRules from vote.govMore →ZIP code58238Where people live, not P.O. boxesMore →
Home services

Power, water and internet

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

Electricity

Power comes from Otter Tail Power

Otter Tail Power (Otter Tail Power Co), an investor-owned utility, serves all of Hamilton. Its homes paid an average of 11.1¢ per kWh in 2025, about $120 a month (its average across North Dakota).

Start or move service: ottertail.com · (866) 410-8780

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

Internet

2 home internet providers serve Hamilton

100% of 42 addresses can get 100/20 Mbps; 100% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
Polar TelecommunicationsFiber100%1,000/1,000
T-MobileFixed wireless7%25/3

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

Trash & recycling

We don’t have Hamilton’s trash rules yet

Pickup rules, the dump and recycling in Hamilton.

Trash, recycling and bulk pickupNot on fileOpenStreetMap lists no public drop-off in Hamilton or within 5 miles (as of Oct 9, 2026); map coverage varies by town.
Schools

Where your child goes to school

Public school districts and the school path by grade.

Hamilton kids go to
PK–5Cavalier Elementary Schoolin Cavalier
6–12Cavalier High Schoolin Cavalier

Hamilton is in Cavalier Public School District 6.

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.

Town HallBudget, officials, electionsHamilton’s government in one page
Who runs elections herePembina County AuditorElections here are run by Pembina County (county election office). 301 Dakota St W, Unit 1, Cavalier, ND 58220-4100 · (701) 265-4231 · [email protected]FVAP, Sep 2025
Register to voteNot requiredNorth Dakota has no voter registration: you show ID at the polls.vote.govCheck your registration and polling placevip.sos.nd.govThe state’s voter lookup

Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Jul 30, 2024.

ZIP codes & area codes

Hamilton is in ZIP code 58238

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

ZIPPost office nameShare of HamiltonZIP’s residents in Hamilton
58238Hamilton, ND100%29%
Area code701Wikidata

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.

Nearest emergency roomPembina County Memorial Hospital12.2 miles awayGet a library cardCavalier Public Library200 Bjornson Drive · (701) 265-4016

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

Questions about living in Hamilton

Who provides electricity in Hamilton?

Otter Tail Power (Otter Tail Power Co), an investor-owned utility. Its homes paid about 11.1¢ per kWh in 2025 (EIA).

What internet providers serve Hamilton?

Polar Telecommunications, T-Mobile (FCC, as of December 2025).

What ZIP codes are in Hamilton?

58238. Census 2020 ZIP Code Tabulation Areas.

What school district is Hamilton in?

Cavalier Public School District 6.

How do I register to vote in Hamilton?

North Dakota has no voter registration: you show ID at the polls. Elections here are run by the Pembina County Auditor. Check your registration at vip.sos.nd.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 Jul 30, 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.