Living in Twin Lakes, CA: what to set up and who to call
Twin Lakes has no town government of its own, so Mono County runs its elections and most services, and its children attend Eastern Sierra Unified School District. The nearest emergency room is Mammoth Hospital, 41.2 miles away.
I’m new in town
What to set up in Twin Lakes, 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 Lakes.
Power comes from Southern California Edison
Southern California Edison (Southern California Edison Co), an investor-owned utility, serves all of Twin Lakes. Its homes paid an average of 31.5¢ per kWh in 2025, about $149 a month (its average across California, for customers on its standard service). California lets you buy power from another supplier; 30% of Southern California Edison’s home customers do, and Southern California Edison still delivers it.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Which providers serve Twin Lakes
This card will list the home internet providers the FCC’s National Broadband Map shows in Twin Lakes, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.
Source to come: FCC Broadband Data Collection.
We don’t have Twin Lakes’ trash rules yet
Pickup rules, the dump and recycling in Twin Lakes.
Where your child goes to school
Public school districts and the school path by grade.
Twin Lakes is in Eastern Sierra Unified 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.
No town hall: the county runs things
Twin Lakes is unincorporated, so Mono County is the local government.
Election office: FVAP local election office directory, updated Jul 2021; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Twin Lakes is in ZIP code 93517
ZIP codes where Twin Lakes residents live, with the share of the town in each.
| ZIP | Post office name | Share of Twin Lakes | ZIP’s residents in Twin Lakes |
|---|---|---|---|
| 93517 | Bridgeport, CA | 100% | 6% |
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 Lakes
Who provides electricity in Twin Lakes?
Southern California Edison (Southern California Edison Co), an investor-owned utility. Its homes paid about 31.5¢ per kWh in 2025 (EIA).
What ZIP codes are in Twin Lakes?
93517. Census 2020 ZIP Code Tabulation Areas.
What school district is Twin Lakes in?
Eastern Sierra Unified School District.
How do I register to vote in Twin Lakes?
In California you can register online until 15 days before Election Day, in person up to and including Election Day, or by mail (postmarked 15 days before). Elections here are run by the Mono County Clerk-Elections. Check your registration at voterstatus.sos.ca.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 18, 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): pending.