Photo: OakleyOriginals · CC BY 2.0Living in Adair, OK: what to set up and who to call
Every home in Adair is in ZIP code 74330. Children in Adair attend Adair Public Schools.
I’m new in town
What to set up in Adair, 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 Adair.
Power comes from PSO
PSO (Public Service Co. of Oklahoma), an investor-owned utility, serves all of Adair. Its homes paid an average of 14.2¢ per kWh in 2025, about $145 a month (its average across Oklahoma).
Start or move service: psoklahoma.com · (888) 216-3523
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Adair water system
The Adair water system supplies almost all of Adair. It buys treated surface water (EPA lists Mayes Co RWD # 6 as seller) and serves 704 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 5,327 systems serving 501–1,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2021–Dec 2023, was 1.7 ppb, below the 15 ppb action level that applied. That’s higher than 66% 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. OK1021613.
8 home internet providers serve Adair
100% of 348 addresses can get 100/20 Mbps; 98% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| BOLT Fiber | Fiber | 97% | 1,000/1,000 |
| AT&T | Fixed wireless, DSL | 74% | 25/3 |
| TDS Telecom | DSL, Fiber | 41% | 8,000/8,000 |
| Atlink Services | Fixed wireless | 100% | 50/10 |
| The Junction Internet | Fixed wireless | 100% | 100/20 |
| Verizon | Fixed wireless | 89% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Adair’s trash rules yet
Pickup rules, the dump and recycling in Adair.
Where your child goes to school
Public school districts and the school path by grade.
Adair is in Adair Public 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.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Feb 2018; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Adair is in ZIP code 74330
ZIP codes where Adair residents live, with the share of the town in each.
| ZIP | Post office name | Share of Adair | ZIP’s residents in Adair |
|---|---|---|---|
| 74330 | Adair, OK | 100% | 27% |
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 Adair
Who supplies Adair’s drinking water, and has it had violations?
The Adair water system (EPA ID OK1021613). It reported no health-based violations to EPA in the five years to October 2026; 78% of systems its size had none. Its latest lead 90th percentile was 1.7 ppb (Jan 2021–Dec 2023), against a 15 ppb action level.
Who provides electricity in Adair?
PSO (Public Service Co. of Oklahoma), an investor-owned utility. Its homes paid about 14.2¢ per kWh in 2025 (EIA).
What internet providers serve Adair?
BOLT Fiber, AT&T, TDS Telecom, Atlink Services, The Junction Internet, Verizon (FCC, as of December 2025).
What ZIP codes are in Adair?
74330. Census 2020 ZIP Code Tabulation Areas.
What school district is Adair in?
Adair Public Schools.
How do I register to vote in Adair?
In Oklahoma you can register online until 25 days before Election Day, in person until 25 days before Election Day, or by mail (received 25 days before). Elections here are run by the Secretary, Mayes County Election Board. Check your registration at okvoterportal.okelections.us.
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 Sep 12, 2025 (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.