Photo: Billwhittaker (Uploads) · CC BY-SA 3.0Living in Annawan, IL: what to set up and who to call
Every home in Annawan is in ZIP code 61234. Annawan Community Unit School District 226 runs the public schools in Annawan.
I’m new in town
What to set up in Annawan, 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 Annawan.
Power comes from Commonwealth Edison
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility, serves all of Annawan. Its homes paid an average of 17.7¢ per kWh in 2025, about $107 a month (its average across Illinois, for customers on its standard service). Illinois lets you buy power from another supplier; 20% of Commonwealth Edison’s home customers do, and Commonwealth Edison still delivers it.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Annawan water system
The Annawan water system supplies almost all of Annawan. It draws ground water and serves 843 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–Dec 2025, was 2.5 ppb, below the 15 ppb action level that applied. That’s higher than 78% 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 (EPA’s estimate). Violations are counted by the start of their compliance period. IL0730150.
5 home internet providers serve Annawan
100% of 434 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Henry County Telephone Company | DSL, Fiber, Fixed wireless | 100% | 1,000/1,000 |
| Mediacom Xtream | Cable | 100% | 1,000/50 |
| Verizon | Fixed wireless | 92% | 300/20 |
| T-Mobile | Fixed wireless | 89% | 100/20 |
| Nextlink | Fixed wireless | 67% | 200/50 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Annawan’s trash rules yet
Pickup rules, the dump and recycling in Annawan.
Where your child goes to school
Public school districts and the school path by grade.
Annawan is in Annawan Community Unit School District 226.
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 Sep 2021; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Annawan is in ZIP code 61234
ZIP codes where Annawan residents live, with the share of the town in each.
| ZIP | Post office name | Share of Annawan | ZIP’s residents in Annawan |
|---|---|---|---|
| 61234 | Annawan, IL | 100% | 74% |
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 Annawan
Who supplies Annawan’s drinking water, and has it had violations?
The Annawan water system (EPA ID IL0730150). 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 2.5 ppb (Jan–Dec 2025), against a 15 ppb action level.
Who provides electricity in Annawan?
Commonwealth Edison (Commonwealth Edison Co), an investor-owned utility. Its homes paid about 17.7¢ per kWh in 2025 (EIA).
What internet providers serve Annawan?
Henry County Telephone Company, Mediacom Xtream, Verizon, T-Mobile, Nextlink (FCC, as of December 2025).
What ZIP codes are in Annawan?
61234. Census 2020 ZIP Code Tabulation Areas.
What school district is Annawan in?
Annawan Community Unit School District 226.
How do I register to vote in Annawan?
In Illinois you can register online until 16 days before Election Day, in person up to and including Election Day, or by mail (postmarked 28 days before). Elections here are run by the Henry County Clerk. Check your registration at ova.elections.il.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 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.