Photo: Infrogmation of New Orleans · CC BY-SA 3.0Living in Harahan, LA: what to set up and who to call
All of Harahan gets its mail under one ZIP code, 70123. Children in Harahan attend Jefferson Parish School District.
I’m new in town
What to set up in Harahan, 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 Harahan.
Power comes from Entergy Louisiana
Entergy Louisiana (Entergy Louisiana LLC), an investor-owned utility, serves all of Harahan. Its homes paid an average of 11.9¢ per kWh in 2025, about $147 a month (its average across Louisiana).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from E Jefferson Ww District 1
E Jefferson Ww District 1 supplies almost all of Harahan. It draws surface water and serves 275,163 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 86% of the 84 systems serving 250,001–500,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 2.7 ppb, below the 15 ppb action level that applied. That’s higher than 75% 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. LA1051001.
4 home internet providers serve Harahan
100% of 3,755 addresses can get 100/20 Mbps; 96% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| AT&T | Fiber, DSL, Fixed wireless | 98% | 5,000/5,000 |
| Cox Communications | Cable, Fiber | 97% | 2,000/35 |
| Verizon | Fixed wireless | 96% | 300/20 |
| T-Mobile | Fixed wireless | 70% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Harahan’s trash rules yet
Pickup rules, the dump and recycling in Harahan.
Where your child goes to school
Public school districts and the school path by grade.
Harahan is in Jefferson Parish School District.
BSchool 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 Feb 2022; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Harahan is in ZIP code 70123
ZIP codes where Harahan residents live, with the share of the town in each.
| ZIP | Post office name | Share of Harahan | ZIP’s residents in Harahan |
|---|---|---|---|
| 70123 | New Orleans, LA | 100% | 33% |
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 Harahan
Who supplies Harahan’s drinking water, and has it had violations?
E Jefferson Ww District 1 (EPA ID LA1051001). 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 2.7 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Harahan?
Entergy Louisiana (Entergy Louisiana LLC), an investor-owned utility. Its homes paid about 11.9¢ per kWh in 2025 (EIA).
What internet providers serve Harahan?
AT&T, Cox Communications, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Harahan?
70123. Census 2020 ZIP Code Tabulation Areas.
What school district is Harahan in?
Jefferson Parish School District.
How do I register to vote in Harahan?
In Louisiana you can register online until 20 days before Election Day, in person until 30 days before Election Day, or by mail (postmarked 30 days before). Elections here are run by the Jefferson Parish Registrar of Voters. Check your registration at voterportal.sos.la.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 Aug 3, 2026 (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.