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The Sehili handbook

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

Sehili has no town government of its own, so Apache County runs its elections and most services, and its children attend Chinle Unified District. Power in Sehili comes from Navajo Tribal Utility Authority, a state utility rather than a private company.

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

I’m new in town

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

PowerNavajo Tribal Utility Authoritystate utility · 16.5¢/kWhMore →
InternetWhich providers serve SehiliData pending · FCC map (D4)
Trash & dumpNot on file yetWe don’t have Sehili’s trash rules yetMore →SchoolChinle Unified DistrictWhich school depends on grade and addressMore →Register to voteOnlineRules from vote.govMore →ZIP code86556Where people live, not P.O. boxesMore →
Home services

Power, water and internet

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

Electricity

Power comes from Navajo Tribal Utility Authority

Navajo Tribal Utility Authority (Navajo Tribal Utility Authority), a state utility, serves all of Sehili. Its homes paid an average of 16.5¢ per kWh in 2025, about $81 a month (its average across Arizona).

Start or move service: ntua.com · (800) 528-5011

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

Internet

Which providers serve Sehili

Data pending · D4

This card will list the home internet providers the FCC’s National Broadband Map shows in Sehili, 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 Sehili’s trash rules yet

Pickup rules, the dump and recycling in Sehili.

Trash, recycling and bulk pickupNot on fileSehili 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.

Sehili kids go to
PK–65 schoolsDepends on your address
7–83 middle schoolsDepends on your address
9–12Chinle High Schoolin Chinle

Sehili is in Chinle Unified 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.

Government & voting

No town hall: the county runs things

Sehili is unincorporated, so Apache County is the local government.

Local governmentApache CountySehili is a census-designated place: no town hall of its ownCensus
Who runs elections hereApache County RecorderElections here are run by Apache County (county election office). P.O. Box 425, St. Johns, AZ 85936 · (928) 337-7516FVAP, 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

Sehili is in ZIP code 86556

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

ZIPPost office nameShare of SehiliZIP’s residents in Sehili
86556Tsaile, AZ100%6%
Area code928Wikidata

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 roomFort Defiance Indian Hospital24.2 miles away

ER: CMS hospital data.

Questions about living in Sehili

Who provides electricity in Sehili?

Navajo Tribal Utility Authority (Navajo Tribal Utility Authority), a state utility. Its homes paid about 16.5¢ per kWh in 2025 (EIA).

What ZIP codes are in Sehili?

86556. Census 2020 ZIP Code Tabulation Areas.

What school district is Sehili in?

Chinle Unified District.

How do I register to vote in Sehili?

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 Apache County Recorder. Check your registration at my.arizona.vote.

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 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.