Living in Carrollton, TX: what to set up and who to call
Oncor delivers the power in Carrollton, but in Texas’s open market you choose the company that sells it. Carrollton has a train station, Downtown Carrollton Silver Line.
I’m new in town
What to set up in Carrollton, 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 Carrollton.
Power comes from Oncor
Oncor (Oncor Electric Delivery Co.), an investor-owned utility, serves all of Carrollton.
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 Carrollton water system
The City of Carrollton water system supplies almost all of Carrollton. It buys treated surface water (EPA lists Dallas Water Utility as seller) and serves 136,170 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 2023–Dec 2025, was 0.0 ppb, below the 15 ppb action level that applied. The highest in five years was 0.2 ppb. 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. TX0570034.
5 home internet providers serve Carrollton
98% of 36,878 addresses can get 100/20 Mbps; 81% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable, Fiber | 98% | 1,000/1,000 |
| Frontier | Fiber | 88% | 7,000/7,000 |
| AT&T | Fixed wireless, Fiber, DSL | 48% | 100/20 |
| Verizon | Fixed wireless | 81% | 300/20 |
| T-Mobile | Fixed wireless | 44% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Carrollton’s trash rules yet
Pickup rules, the dump and recycling in Carrollton.
Where your child goes to school
Public school districts and the school path by grade.
Most of Carrollton (59%) is in Carrollton-Farmers Branch Independent School District; parts are in Lewisville Independent School District (32%) and Dallas Independent School District (7%) and Coppell Independent School District (2%).
B+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.
Carrollton spans 3 ZIP codes
ZIP codes where Carrollton residents live, with the share of the town in each.
| ZIP | Post office name | Share of Carrollton | ZIP’s residents in Carrollton |
|---|---|---|---|
| 75007 | Carrollton, TX | 39% | 97% |
| 75006 | Carrollton, TX | 36% | 100% |
| 75010 | Carrollton, TX | 25% | 100% |
A few homes fall in 75056, 75234. 75011 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 Carrollton
Who supplies Carrollton’s drinking water, and has it had violations?
The City of Carrollton water system (EPA ID TX0570034). 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 0.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Carrollton?
Oncor (Oncor Electric Delivery Co.), an investor-owned utility.
What internet providers serve Carrollton?
Spectrum, Frontier, AT&T, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Carrollton?
75007 (39%), 75006 (36%), 75010 (25%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Carrollton in?
Carrollton-Farmers Branch Independent School District. Parts of the city are in Lewisville Independent School District and Dallas Independent School District and Coppell Independent School District.
How do I register to vote in Carrollton?
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.