Living in The Colony, TX: what to set up and who to call
Oncor delivers the power in The Colony, but in Texas’s open market you choose the company that sells it. Fiber reaches 95% of addresses in The Colony.
I’m new in town
What to set up in The Colony, 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 The Colony.
Power comes from Oncor
Oncor (Oncor Electric Delivery Co.), an investor-owned utility, serves all of The Colony.
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 the Colony water system
The City of the Colony water system supplies almost all of The Colony. It buys treated surface water (EPA lists City of Plano and Dallas Water Utility as sellers) and serves 45,367 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 2023–Dec 2025, was 0.6 ppb, below the 15 ppb action level that applied. The highest in five years was 0.7 ppb. That’s lower than 63% 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. TX0610081.
6 home internet providers serve The Colony
99% of 13,928 addresses can get 100/20 Mbps; 95% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| AT&T | Fiber, DSL, Fixed wireless | 98% | 5,000/5,000 |
| Spectrum | Cable, Fiber | 98% | 1,000/1,000 |
| Astound Broadband | Cable, Fiber | 3% | 1,500/50 |
| Verizon | Fixed wireless | 80% | 300/20 |
| T-Mobile | Fixed wireless | 67% | 100/20 |
| Nextlink | Fixed wireless | 5% | 200/50 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in The Colony depends on your street
Pickup days, the drop-off and recycling in The Colony, from the town’s own site.
Your pickup week
- TrashEvery week, on your street’s dayLook up your day on experience.arcgis.com
- RecyclingEvery week, day by address
From thecolonytx.gov, the town’s official site, checked Oct 21, 2026; pages dated 2026-09-27. 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.
Most of The Colony (72%) is in Lewisville Independent School District; parts are in Little Elm Independent School District (27%).
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.
The Colony is in ZIP code 75056
ZIP codes where The Colony residents live, with the share of the town in each.
| ZIP | Post office name | Share of The Colony | ZIP’s residents in The Colony |
|---|---|---|---|
| 75056 | The Colony, TX | 100% | 66% |
A few homes fall in 75036.
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 The Colony
Who supplies The Colony’s drinking water, and has it had violations?
The City of the Colony water system (EPA ID TX0610081). 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 0.6 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in The Colony?
Oncor (Oncor Electric Delivery Co.), an investor-owned utility.
What internet providers serve The Colony?
AT&T, Spectrum, Astound Broadband, Verizon, T-Mobile, Nextlink (FCC, as of December 2025).
What ZIP codes are in The Colony?
75056. Census 2020 ZIP Code Tabulation Areas.
What school district is The Colony in?
Lewisville Independent School District. Parts of the city are in Little Elm Independent School District.
How do I register to vote in The Colony?
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: The Colony’s own website (thecolonytx.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.