Living in Sun Valley, TX: what to set up and who to call
Oncor delivers the power in Sun Valley, but in Texas’s open market you choose the company that sells it. Blossom Telephone Company and Optimum wire most of Sun Valley, and 100% of addresses can get fiber.
I’m new in town
What to set up in Sun Valley, 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 Sun Valley.
Power comes from Oncor
Oncor (Oncor Electric Delivery Co.), an investor-owned utility, serves all of Sun Valley.
Start or move service: oncor.com · (888) 875-6279
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Lamar County Water Supply District
Lamar County Water Supply District supplies almost all of Sun Valley. It buys treated surface water (EPA lists City of Paris as seller) and serves 25,569 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2021–Dec 2023, 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. TX1390015.
6 home internet providers serve Sun Valley
100% of 37 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Blossom Telephone Company | Fiber | 100% | 500/100 |
| Optimum | Cable | 59% | 500/20 |
| Wifires Internet | Fixed wireless | 78% | 92/11 |
| Nextlink | Fixed wireless | 24% | 100/20 |
| AT&T | Fixed wireless | 16% | 25/3 |
| T-Mobile | Fixed wireless | 3% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Sun Valley’s trash rules yet
Pickup rules, the dump and recycling in Sun Valley.
Where your child goes to school
Public school districts and the school path by grade.
Most of Sun Valley (93%) is in North Lamar Independent School District; parts are in Prairiland Independent School District (7%).
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 Aug 2015; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Sun Valley is in ZIP code 75462
ZIP codes where Sun Valley residents live, with the share of the town in each.
| ZIP | Post office name | Share of Sun Valley | ZIP’s residents in Sun Valley |
|---|---|---|---|
| 75462 | Paris, TX | 100% | 1% |
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 Sun Valley
Who supplies Sun Valley’s drinking water, and has it had violations?
Lamar County Water Supply District (EPA ID TX1390015). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2021–Dec 2023), against a 15 ppb action level.
Who provides electricity in Sun Valley?
Oncor (Oncor Electric Delivery Co.), an investor-owned utility.
What internet providers serve Sun Valley?
Blossom Telephone Company, Optimum, Wifires Internet, Nextlink, AT&T, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Sun Valley?
75462. Census 2020 ZIP Code Tabulation Areas.
What school district is Sun Valley in?
North Lamar Independent School District. Parts of the city are in Prairiland Independent School District.
How do I register to vote in Sun Valley?
Texas has no online registration; you can register in person until 30 days before Election Day or by mail (postmarked 30 days before). Elections here are run by the Lamar County Early Voting Clerk. Check your registration at teamrv-mvp.sos.texas.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.