Big Falls Inn · Photo: Kathleen Pilley · CC BY-SA 3.0Living in Warm River, ID: what to set up and who to call
Power in Warm River comes from Fall River Rural Elec Coop, a cooperative utility rather than a private company. For an emergency, Teton Valley Hospital is the closest ER, 29.2 miles away.
I’m new in town
What to set up in Warm River, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in Warm River.
Power comes from Fall River Rural Elec Coop
Fall River Rural Elec Coop (Fall River Rural Elec Coop Inc), a cooperative utility, serves all of Warm River. Its homes paid an average of 11.1¢ per kWh in 2025, about $130 a month (its average across Idaho).
Start or move service: fallriverelectric.com · (800) 632-5726
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
2 home internet providers serve Warm River
100% of 4 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Fremont Telcom | DSL, Fiber | 100% | 1,000/500 |
| Fybercom | Fixed wireless | 100% | 120/100 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Warm River’s trash rules yet
Pickup rules, the dump and recycling in Warm River.
Where your child goes to school
Public school districts and the school path by grade.
Warm River is in Fremont County Joint School District 215.
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.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Feb 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Warm River is in ZIP code 83420
ZIP codes where Warm River residents live, with the share of the town in each.
| ZIP | Post office name | Share of Warm River | ZIP’s residents in Warm River |
|---|---|---|---|
| 83420 | Ashton, ID | 100% | 0% |
Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.
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 Warm River
Who provides electricity in Warm River?
Fall River Rural Elec Coop (Fall River Rural Elec Coop Inc), a cooperative utility. Its homes paid about 11.1¢ per kWh in 2025 (EIA).
What internet providers serve Warm River?
Fremont Telcom, Fybercom (FCC, as of December 2025).
What ZIP codes are in Warm River?
83420. Census 2020 ZIP Code Tabulation Areas.
What school district is Warm River in?
Fremont County Joint School District 215.
How do I register to vote in Warm River?
In Idaho you can register online until 11 days before Election Day, in person up to and including Election Day, or by mail (received 11 days before). Elections here are run by the Fremont County Clerk. Check your registration at elections.sos.idaho.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 Sep 12, 2025 (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.