Photo: Tommyers89 · CC BY-SA 4.0Living in Twin Falls, ID: what to set up and who to call
All of Twin Falls gets its mail under one ZIP code, 83301. Twin Falls has its own library, Twin Falls Public, at 201 Fourth Ave E.
I’m new in town
What to set up in Twin Falls, 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 Twin Falls.
Power comes from Idaho Power
Idaho Power (Idaho Power Co), an investor-owned utility, serves all of Twin Falls. Its homes paid an average of 11.8¢ per kWh in 2025, about $106 a month (its average across Idaho).
Start or move service: idahopower.com · (800) 488-6151
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Twin Falls water system
The City of Twin Falls water system supplies almost all of Twin Falls. It draws ground water and serves 56,121 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 90% of the 597 systems serving 50,001–100,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Jun 2026, was 0.0 ppb, below the 15 ppb action level that applied. The highest in five years was 1.0 ppb. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.
The system’s full record: EPA ECHO report
EPA SDWIS via Envirofacts (violations pulled Oct 9, 2026) and ECHO (lead samples, 2026Q3); service area: EPA Community Water System Service Area Boundaries v3.0. Violations are counted by the start of their compliance period. ID5420058.
10 home internet providers serve Twin Falls
100% of 18,491 addresses can get 100/20 Mbps; 73% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| White Cloud Communications | Fixed wireless, Fiber | 100% | 200/50 |
| Sparklight | Cable, Fiber | 99% | 1,000/50 |
| CenturyLink | DSL, Fiber | 56% | 100/10 |
| TDS Telecom | Fiber | 48% | 8,000/8,000 |
| Project Mutual Telephone Cooperative Association | Fiber | 47% | 1,000/1,000 |
| Quantum Fiber | Fiber | 7% | 2,000/1,000 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Twin Falls depends on your street
Pickup days, the drop-off and recycling in Twin Falls, from the town’s own site.
Your pickup week
- TrashEvery week, on your street’s dayLook up your day on tfid.org
- RecyclingEvery other week, same day as trashCheck which week on tfid.org →
Twin Falls Transfer Station (operated by Southern Idaho Solid Waste)
2186 Orchard Dr. E., Twin Falls, ID 83301
We couldn’t find its opening hours.
Accepted at the curb
- Cardboard, corrugated (no food contamination)
- Cardboard egg cartons (no Styrofoam)
- Paperboard (cereal boxes, shoe boxes, etc.)
- Clean cans
- Aluminum
- Tin
- Aerosol cans (without the caps)
From tfid.org, the town’s official site, checked Oct 21, 2026; pages dated 2026. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Most of Twin Falls (98%) is in Twin Falls School District 411.
CSchool gradeSee 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 Aug 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Twin Falls is in ZIP code 83301
ZIP codes where Twin Falls residents live, with the share of the town in each.
| ZIP | Post office name | Share of Twin Falls | ZIP’s residents in Twin Falls |
|---|---|---|---|
| 83301 | Twin Falls, ID | 100% | 85% |
A few homes fall in 83341. 83303 is P.O. box or single-organization ZIP with no homes.
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 Twin Falls
Who supplies Twin Falls’ drinking water, and has it had violations?
The City of Twin Falls water system (EPA ID ID5420058). It reported no health-based violations to EPA in the five years to October 2026; 90% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan–Jun 2026), against a 15 ppb action level.
Who provides electricity in Twin Falls?
Idaho Power (Idaho Power Co), an investor-owned utility. Its homes paid about 11.8¢ per kWh in 2025 (EIA).
What internet providers serve Twin Falls?
White Cloud Communications, Sparklight, CenturyLink, TDS Telecom, Project Mutual Telephone Cooperative Association, Quantum Fiber (FCC, as of December 2025).
What ZIP codes are in Twin Falls?
83301. Census 2020 ZIP Code Tabulation Areas.
What school district is Twin Falls in?
Twin Falls School District 411.
How do I register to vote in Twin Falls?
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 Twin Falls County Clerk. Check your registration at elections.sos.idaho.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- Water: EPA SDWIS (Envirofacts, pulled Oct 9, 2026), ECHO SDWA 2026Q3, EPA CWS Service Area Boundaries v3.0.
- Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
- Trash: Twin Falls’ own website (tfid.org), read Oct 21, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- 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.