Photo: PopePompus · CC BY-SA 4.0Living in Thayer, IA: what to set up and who to call
All of Thayer gets its mail under one ZIP code, 50254. Fiber reaches 100% of addresses in Thayer.
I’m new in town
What to set up in Thayer, 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 Thayer.
Power comes from Interstate Power and Light
Interstate Power and Light (Interstate Power and Light Co), an investor-owned utility, serves all of Thayer. Its homes paid an average of 17.8¢ per kWh in 2025, about $131 a month (its average across Iowa).
Start or move service: alliantenergy.com · (319) 786-4411
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
1 home internet providers serve Thayer
100% of 44 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Grand River Mutual Telephone | Fiber | 100% | 1,000/1,000 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Thayer’s trash rules yet
Pickup rules, the dump and recycling in Thayer.
Where your child goes to school
Public school districts and the school path by grade.
Thayer is in East Union Community School 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.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Jun 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Thayer is in ZIP code 50254
ZIP codes where Thayer residents live, with the share of the town in each.
| ZIP | Post office name | Share of Thayer | ZIP’s residents in Thayer |
|---|---|---|---|
| 50254 | Thayer, IA | 100% | 20% |
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 Thayer
Who provides electricity in Thayer?
Interstate Power and Light (Interstate Power and Light Co), an investor-owned utility. Its homes paid about 17.8¢ per kWh in 2025 (EIA).
What internet providers serve Thayer?
Grand River Mutual Telephone (FCC, as of December 2025).
What ZIP codes are in Thayer?
50254. Census 2020 ZIP Code Tabulation Areas.
What school district is Thayer in?
East Union Community School District.
How do I register to vote in Thayer?
In Iowa you can register online until 15 days before Election Day, in person up to and including Election Day, or by mail (postmarked 15 days before). Elections here are run by the Union County Auditor. Check your registration at sos.iowa.gov.
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 Nov 18, 2024 (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.