Living in Cardiff, AL: what to set up and who to call
Every home in Cardiff is in ZIP code 35073. Most of Cardiff has one wired internet choice: Spectrum.
I’m new in town
What to set up in Cardiff, 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 Cardiff.
Power comes from Alabama Power
Alabama Power (Alabama Power Co), an investor-owned utility, serves all of Cardiff. Its homes paid an average of 17.9¢ per kWh in 2025, about $202 a month (its average across Alabama).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
3 home internet providers serve Cardiff
85% of 27 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable | 89% | 1,000/1,000 |
| AT&T | DSL | 4% | 10/1 |
| Verizon | Fixed wireless | 15% | 25/6 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Cardiff’s trash rules yet
Pickup rules, the dump and recycling in Cardiff.
Where your child goes to school
Public school districts and the school path by grade.
Cardiff is in Jefferson County School District.
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.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Jul 2019; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Cardiff is in ZIP code 35073
ZIP codes where Cardiff residents live, with the share of the town in each.
| ZIP | Post office name | Share of Cardiff | ZIP’s residents in Cardiff |
|---|---|---|---|
| 35073 | Graysville, AL | 100% | 2% |
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 Cardiff
Who provides electricity in Cardiff?
Alabama Power (Alabama Power Co), an investor-owned utility. Its homes paid about 17.9¢ per kWh in 2025 (EIA).
What internet providers serve Cardiff?
Spectrum, AT&T, Verizon (FCC, as of December 2025).
What ZIP codes are in Cardiff?
35073. Census 2020 ZIP Code Tabulation Areas.
What school district is Cardiff in?
Jefferson County School District.
How do I register to vote in Cardiff?
In Alabama you can register online until 15 days before Election Day, in person until 15 days before Election Day, or by mail (received 15 days before). Elections here are run by the Jefferson - Bessemer County Circuit Clerk. Check your registration at myinfo.alabamavotes.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- 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.