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The Oracle handbook

Living in Oracle, AZ: what to set up and who to call

Oracle has no town government of its own, so Pinal County runs its elections and most services, and its children attend Oracle Elementary District. Power in Oracle comes from Electrical Dist No3 Pinal County, a political subdivision utility rather than a private company.

Who supplies the water?Which school will my kid attend?How do I register to vote?ZIP codes
Oracle has no town government. It’s a census-designated place in Pinal County, so the county and regional agencies provide most services. This page answers what we can; the same answers appear on Oracle’s town page under “Getting set up”.

I’m new in town

What to set up in Oracle, and who provides it. Tap an answer for the details and where they come from.

PowerElectrical Dist No3 Pinal Countypolitical subdivision utility · 14.0¢/kWhMore →WaterArizona Water Co - Oracle0 health-based violations in 5 years · EPAMore →
InternetWhich providers serve OracleData pending · FCC map (D4)
Trash & dumpNot on file yetWe don’t have Oracle’s trash rules yetMore →SchoolOracle Elementary DistrictWhich school depends on grade and addressMore →Register to voteOnlineRules from vote.govMore →ZIP code85623Where people live, not P.O. boxesMore →
Home services

Power, water and internet

Who to call to start service at a new address in Oracle.

Electricity

Power comes from Electrical Dist No3 Pinal County

Electrical Dist No3 Pinal County (Electrical Dist No3 Pinal County), a political subdivision utility, serves all of Oracle. Its homes paid an average of 14.0¢ per kWh in 2025, about $162 a month (its average across Arizona).

Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.

Drinking water · reported to EPA

Water comes from Arizona Water Co - Oracle

Arizona Water Co - Oracle supplies almost all of Oracle. It draws ground water and serves 10,585 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.

Lead, 90th percentile0.0 ppb
015 ppb action level20

The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, 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. AZ0411019.

Internet

Which providers serve Oracle

Data pending · D4

This card will list the home internet providers the FCC’s National Broadband Map shows in Oracle, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.

Source to come: FCC Broadband Data Collection.

Trash & recycling

We don’t have Oracle’s trash rules yet

Pickup rules, the dump and recycling in Oracle.

Trash, recycling and bulk pickupNot on fileOracle has no town government of its own, so look for trash and recycling rules on the county’s site.
Schools

Where your child goes to school

Public school districts and the school path by grade.

Oracle kids go to
PK–8Mountain Vista SchoolOracle Elementary District

Oracle is in Oracle Elementary District.

C+School gradeSee Schools →

U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.

Government & voting

No town hall: the county runs things

Oracle is unincorporated, so Pinal County is the local government.

Local governmentPinal CountyOracle is a census-designated place: no town hall of its ownCensus
Who runs elections herePinal County RecorderElections here are run by Pinal County (county election office). P.O. Box 2950, Florence, AZ 85132 · (520) 866-6846FVAP, Sep 2025
Register to voteOnlineIn Arizona you can register online until 29 days before Election Day, in person until 29 days before Election Day, or by mail (postmarked 29 days before).vote.govCheck your registration and polling placemy.arizona.voteThe state’s voter lookup

Election office: FVAP local election office directory, updated Sep 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.

ZIP codes & area codes

Oracle is in ZIP code 85623

ZIP codes where Oracle residents live, with the share of the town in each.

ZIPPost office nameShare of OracleZIP’s residents in Oracle
85623Oracle, AZ100%61%
Area code520Wikidata

Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.

Everyday places

Getting around, the ER and the library

One line each; the subject pages have the rest.

Nearest emergency roomOro Valley Hospital16.3 miles awayGet a library cardMammoth Public Library125 N Clark St. · (520) 487-2026

ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.

Questions about living in Oracle

Who supplies Oracle’s drinking water, and has it had violations?

Arizona Water Co - Oracle (EPA ID AZ0411019). 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 0.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.

Who provides electricity in Oracle?

Electrical Dist No3 Pinal County (Electrical Dist No3 Pinal County), a political subdivision utility. Its homes paid about 14.0¢ per kWh in 2025 (EIA).

What ZIP codes are in Oracle?

85623. Census 2020 ZIP Code Tabulation Areas.

What school district is Oracle in?

Oracle Elementary District.

How do I register to vote in Oracle?

In Arizona you can register online until 29 days before Election Day, in person until 29 days before Election Day, or by mail (postmarked 29 days before). Elections here are run by the Pinal County Recorder. Check your registration at my.arizona.vote.

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): pending.