Photo: Michael Barera · CC BY-SA 4.0Living in Lewisville, TX: what to set up and who to call
Oncor delivers the power in Lewisville, but in Texas’s open market you choose the company that sells it. Trains stop in Lewisville, at Hebron.
I’m new in town
What to set up in Lewisville, 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 Lewisville.
Power comes from Oncor
Oncor (Oncor Electric Delivery Co.), an investor-owned utility, serves all of Lewisville.
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 City of Lewisville water system
The City of Lewisville water system supplies almost all of Lewisville. It draws surface water (EPA lists Dallas Water Utility and Utrwd Regional Water Treatment Plant as sellers) and serves 140,880 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 86% of the 332 systems serving 100,001–250,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan–Dec 2026, was 1.5 ppb, below the 15 ppb action level that applied. That’s higher than 57% 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. TX0610004.
5 home internet providers serve Lewisville
97% of 26,851 addresses can get 100/20 Mbps; 63% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 96% | 1,000/1,000 |
| Frontier | Fiber | 72% | 7,000/7,000 |
| AT&T | Fixed wireless, Fiber, DSL | 46% | 100/20 |
| Verizon | Fixed wireless | 66% | 300/20 |
| T-Mobile | Fixed wireless | 36% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Lewisville’s trash rules yet
Pickup rules, the dump and recycling in Lewisville.
Where your child goes to school
Public school districts and the school path by grade.
Most of Lewisville (99%) is in Lewisville Independent School District.
A−School 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.
Lewisville spans 4 ZIP codes
ZIP codes where Lewisville residents live, with the share of the town in each.
| ZIP | Post office name | Share of Lewisville | ZIP’s residents in Lewisville |
|---|---|---|---|
| 75067 | Lewisville, TX | 61% | 100% |
| 75077 | Lewisville, TX | 16% | 47% |
| 75057 | Lewisville, TX | 14% | 100% |
| 75056 | The Colony, TX | 8% | 13% |
A few homes fall in 75010. 75029 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.
Train: OpenStreetMap (© OpenStreetMap contributors). ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Lewisville
Who supplies Lewisville’s drinking water, and has it had violations?
The City of Lewisville water system (EPA ID TX0610004). It reported no health-based violations to EPA in the five years to October 2026; 86% of systems its size had none. Its latest lead 90th percentile was 1.5 ppb (Jan–Dec 2026), against a 15 ppb action level.
Who provides electricity in Lewisville?
Oncor (Oncor Electric Delivery Co.), an investor-owned utility.
What internet providers serve Lewisville?
Spectrum, Frontier, AT&T, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Lewisville?
75067 (61%), 75077 (16%), 75057 (14%), 75056 (8%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Lewisville in?
Lewisville Independent School District.
How do I register to vote in Lewisville?
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 Denton 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.