Living in Sunnyvale, TX: what to set up and who to call
Oncor delivers the power in Sunnyvale, but in Texas’s open market you choose the company that sells it. Doris Padgett Library, at 402 Tower Pl, is the library in town.
I’m new in town
What to set up in Sunnyvale, 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 Sunnyvale.
Power comes from Oncor
Oncor (Oncor Electric Delivery Co.), an investor-owned utility, serves all of Sunnyvale.
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 Town of Sunnyvale water system
The Town of Sunnyvale water system supplies almost all of Sunnyvale. It buys treated surface water (EPA lists North Texas Mwd Wylie WTP as seller) and serves 8,839 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 80% of the 5,012 systems serving 3,301–10,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2025, was 2.2 ppb, below the 15 ppb action level that applied. The highest in five years was 43.3 ppb. That’s higher than 74% of similar systems’ latest results.
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. TX0570059.
6 home internet providers serve Sunnyvale
99% of 2,914 addresses can get 100/20 Mbps; 52% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 96% | 1,000/1,000 |
| AT&T | DSL, Fiber, Fixed wireless | 84% | 5,000/5,000 |
| Nextlink | Fixed wireless | 57% | 500/100 |
| T-Mobile | Fixed wireless | 52% | 100/20 |
| Verizon | Fixed wireless | 27% | 300/20 |
| Rise Broadband | Fixed wireless | 5% | 25/5 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash and recycling in Sunnyvale
Pickup days, the drop-off and recycling in Sunnyvale, from the town’s own site.
We couldn’t find pickup days or drop-off hours. Check sunnyvaletx.gov →
From sunnyvaletx.gov, the town’s official site, checked Oct 21, 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.
Sunnyvale is in Sunnyvale Independent School District.
ASchool 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 Jan 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Sunnyvale spans 2 ZIP codes
ZIP codes where Sunnyvale residents live, with the share of the town in each.
| ZIP | Post office name | Share of Sunnyvale | ZIP’s residents in Sunnyvale |
|---|---|---|---|
| 75182 | Sunnyvale, TX | 99% | 100% |
| 75149 | Mesquite, TX | 1% | 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 Sunnyvale
Who supplies Sunnyvale’s drinking water, and has it had violations?
The Town of Sunnyvale water system (EPA ID TX0570059). It reported no health-based violations to EPA in the five years to October 2026; 80% of systems its size had none. Its latest lead 90th percentile was 2.2 ppb (Jan–Dec 2025), against a 15 ppb action level.
Who provides electricity in Sunnyvale?
Oncor (Oncor Electric Delivery Co.), an investor-owned utility.
What internet providers serve Sunnyvale?
Spectrum, AT&T, Nextlink, T-Mobile, Verizon, Rise Broadband (FCC, as of December 2025).
What ZIP codes are in Sunnyvale?
75182 (99%), 75149 (1%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Sunnyvale in?
Sunnyvale Independent School District.
How do I register to vote in Sunnyvale?
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 Dallas 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: Sunnyvale’s own website (sunnyvaletx.gov), 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 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.