Living in South Whittier, CA: what to set up and who to call
South Whittier has no town government of its own, so Los Angeles County runs its elections and most services, and its children attend Whittier Union High School District. Whittier Hospital Medical Center, 1.2 miles away, is the nearest emergency room.
I’m new in town
What to set up in South Whittier, 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 South Whittier.
Power comes from Southern California Edison
Southern California Edison (Southern California Edison Co), an investor-owned utility, serves all of South Whittier. 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.
Water comes from Suburban Water Systems-Whittier
Suburban Water Systems-Whittier supplies South Whittier: about 32% of residents live in its service area. Orchard Dale Water District serves another 31%. Gswc - Norwalk serves another 25%. Suburban Water Systems-La Mirada serves another 11%. About 4% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water (EPA lists San Gabriel Valley Water Co.-El Monte and Metropolitan Water Dist. of So. Cal. and Whittier-City, Water Dept. and California Domestic Water Company and La Habra Heights Cwd as sellers) and serves 66,045 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 2023–Dec 2025, was 0.0 ppb, below the 15 ppb action level that applied. 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. CA1910174.
5 home internet providers serve South Whittier
99% of 12,434 addresses can get 100/20 Mbps; 89% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 99% | 1,000/35 |
| Frontier | Fiber, DSL | 92% | 7,000/7,000 |
| Verizon | Fixed wireless | 65% | 300/20 |
| T-Mobile | Fixed wireless | 61% | 100/20 |
| AT&T | Fixed wireless | 21% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have South Whittier’s trash rules yet
Pickup rules, the dump and recycling in South Whittier.
Where your child goes to school
Public school districts and the school path by grade.
South Whittier is in two districts that split the grades: Whittier Union High School District and East Whittier City Elementary School District.
B+School gradeSee 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
South Whittier is unincorporated, so Los Angeles County is the local government.
Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
South Whittier spans 2 ZIP codes
ZIP codes where South Whittier residents live, with the share of the town in each.
| ZIP | Post office name | Share of South Whittier | ZIP’s residents in South Whittier |
|---|---|---|---|
| 90604 | Whittier, CA | 50% | 70% |
| 90605 | Whittier, CA | 50% | 70% |
A few homes fall in 90602, 90638.
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 South Whittier
Who supplies South Whittier’s drinking water, and has it had violations?
Suburban Water Systems-Whittier (EPA ID CA1910174). 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 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in South Whittier?
Southern California Edison (Southern California Edison Co), an investor-owned utility. Its homes paid about 31.5¢ per kWh in 2025 (EIA).
What internet providers serve South Whittier?
Spectrum, Frontier, Verizon, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in South Whittier?
90604 (50%), 90605 (50%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is South Whittier in?
Whittier Union High School District and East Whittier City Elementary School District. Parts of the city are in South Whittier Elementary School District and Norwalk-La Mirada Unified School District.
How do I register to vote in South Whittier?
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 Los Angeles Registrar-Recorder County Clerk. Check your registration at voterstatus.sos.ca.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: 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 National Broadband Map, as of December 2025.