Photo: MattHucke · CC BY-SA 3.0Living in Andover, IL: what to set up and who to call
Power in Andover comes from Corn Belt Energy Corporation, a cooperative utility rather than a private company. Cambridge Public Library District, 5.0 miles away, is the closest library to Andover.
I’m new in town
What to set up in Andover, 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 Andover.
Power comes from Corn Belt Energy Corporation
Corn Belt Energy Corporation (Corn Belt Energy Corporation), a cooperative utility, serves all of Andover. Its homes paid an average of 15.6¢ per kWh in 2025, about $148 a month (its average across Illinois).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Andover water system
The Andover water system supplies almost all of Andover. It draws ground water and serves 565 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 2022–Dec 2024, was 3.7 ppb, below the 15 ppb action level that applied. That’s higher than 87% 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. IL0730100.
7 home internet providers serve Andover
100% of 254 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Diverse Communications | Fiber | 100% | 1,000/1,000 |
| Cambridge Telcom Services | DSL, Fiber | 99% | 10/1 |
| Mediacom Xtream | Cable | 98% | 1,000/50 |
| Nextlink | Fixed wireless | 60% | 400/100 |
| T-Mobile | Fixed wireless | 56% | 100/20 |
| Cambridge Telephone Company | Fixed wireless | 7% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Andover’s trash rules yet
Pickup rules, the dump and recycling in Andover.
Where your child goes to school
Public school districts and the school path by grade.
Most of Andover (86%) is in Orion Community Unit School District 223; parts are in Cambridge Community Unit School District 227 (14%).
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.
Andover spans 3 ZIP codes
ZIP codes where Andover residents live, with the share of the town in each.
| ZIP | Post office name | Share of Andover | ZIP’s residents in Andover |
|---|---|---|---|
| 61233 | Andover, IL | 70% | 100% |
| 61262 | Lynn Center, IL | 19% | 11% |
| 61238 | Cambridge, IL | 10% | 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 Andover
Who supplies Andover’s drinking water, and has it had violations?
The Andover water system (EPA ID IL0730100). 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 3.7 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Andover?
Corn Belt Energy Corporation (Corn Belt Energy Corporation), a cooperative utility. Its homes paid about 15.6¢ per kWh in 2025 (EIA).
What internet providers serve Andover?
Diverse Communications, Cambridge Telcom Services, Mediacom Xtream, Nextlink, T-Mobile, Cambridge Telephone Company (FCC, as of December 2025).
What ZIP codes are in Andover?
61233 (70%), 61262 (19%), 61238 (10%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Andover in?
Orion Community Unit School District 223. Parts of the city are in Cambridge Community Unit School District 227.
How do I register to vote in Andover?
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.