Photo: Edward Orde · CC BY-SA 4.0Living in Castle Hayne, NC: what to set up and who to call
Castle Hayne has no town government of its own, so New Hanover County runs its elections and most services, and its children attend New Hanover County Schools. Power in Castle Hayne comes from Four County Elec Member, a cooperative utility rather than a private company.
I’m new in town
What to set up in Castle Hayne, 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 Castle Hayne.
Power comes from Four County Elec Member
Four County Elec Member (Four County Elec Member Corp), a cooperative utility, serves all of Castle Hayne. Its homes paid an average of 15.1¢ per kWh in 2025, about $193 a month (its average across North Carolina).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Cfpua-Wilmington water system
The Cfpua-Wilmington water system supplies Castle Hayne: about 25% of residents live in its service area. Simmons Heights Apartments serves another 23%. About 65% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws surface water and serves 212,227 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 2026–Dec 2028, 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. NC0465010.
5 home internet providers serve Castle Hayne
96% of 613 addresses can get 100/20 Mbps; 14% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable | 92% | 1,000/35 |
| AT&T | Fixed wireless, DSL, Fiber | 91% | 25/3 |
| Lumos | Fiber | 13% | 5,000/5,000 |
| T-Mobile | Fixed wireless | 89% | 100/20 |
| Verizon | Fixed wireless | 88% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Castle Hayne’s trash rules yet
Pickup rules, the dump and recycling in Castle Hayne.
Where your child goes to school
Public school districts and the school path by grade.
Castle Hayne is in New Hanover County Schools.
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.
No town hall: the county runs things
Castle Hayne is unincorporated, so New Hanover County is the local government.
Election office: FVAP local election office directory, updated Aug 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Castle Hayne is in ZIP code 28429
ZIP codes where Castle Hayne residents live, with the share of the town in each.
| ZIP | Post office name | Share of Castle Hayne | ZIP’s residents in Castle Hayne |
|---|---|---|---|
| 28429 | Castle Hayne, NC | 100% | 14% |
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 Castle Hayne
Who supplies Castle Hayne’s drinking water, and has it had violations?
The Cfpua-Wilmington water system (EPA ID NC0465010). 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 2026–Dec 2028), against a 15 ppb action level.
Who provides electricity in Castle Hayne?
Four County Elec Member (Four County Elec Member Corp), a cooperative utility. Its homes paid about 15.1¢ per kWh in 2025 (EIA).
What internet providers serve Castle Hayne?
Spectrum, AT&T, Lumos, T-Mobile, Verizon (FCC, as of December 2025).
What ZIP codes are in Castle Hayne?
28429. Census 2020 ZIP Code Tabulation Areas.
What school district is Castle Hayne in?
New Hanover County Schools.
How do I register to vote in Castle Hayne?
In North Carolina you can register online until 25 days before Election Day, in person with same-day registration during the early voting period, or by mail (postmarked 25 days before). Elections here are run by the New Hanover County Board of Elections. Check your registration at vt.ncsbe.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.