Photo: Kaethesson · CC BY-SA 3.0Living in Oswego, KS: what to set up and who to call
Every home in Oswego is in ZIP code 67356. Public schools here are run by Oswego Unified School District 504.
I’m new in town
What to set up in Oswego, 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 Oswego.
Power comes from Evergy
Evergy (Evergy Kansas Central, Inc.), an investor-owned utility, serves all of Oswego. Its homes paid an average of 14.6¢ per kWh in 2025, about $124 a month (its average across Kansas).
Start or move service: evergy.com
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Oswego water system
The City of Oswego water system supplies almost all of Oswego. It draws surface water and serves 1,680 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 7,966 systems serving 1,001–3,300 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 3.2 ppb, below the 15 ppb action level that applied. That’s higher than 85% 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. Violations are counted by the start of their compliance period. KS2009908.
6 home internet providers serve Oswego
100% of 853 addresses can get 100/20 Mbps; 98% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Wave Wireless | Fixed wireless, Fiber | 100% | 1,024/1,024 |
| Sparklight | Fiber | 99% | 1,000/50 |
| Mediacom Xtream | Cable, Fiber | 99% | 1,000/50 |
| Brightspeed | DSL | 69% | 60/5 |
| Wisper | Fixed wireless | 100% | 400/30 |
| Verizon | Fixed wireless | 82% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Oswego is Monday or Tuesday, depending on your street
Pickup days, the drop-off and recycling in Oswego, from the town’s own site.
Your pickup week
- TrashEvery week, on your street’s day (Mon or Tue)
City Brush Dump
1321 Chisholm Lane, Oswego, KS
We couldn’t find its opening hours.
From oswegokansas.com, the town’s official site, checked Oct 22, 2026. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Most of Oswego (98%) is in Oswego Unified School District 504.
DSchool gradeSee 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 Dec 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Oswego is in ZIP code 67356
ZIP codes where Oswego residents live, with the share of the town in each.
| ZIP | Post office name | Share of Oswego | ZIP’s residents in Oswego |
|---|---|---|---|
| 67356 | Oswego, KS | 100% | 62% |
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 Oswego
Who supplies Oswego’s drinking water, and has it had violations?
The City of Oswego water system (EPA ID KS2009908). 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 3.2 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Oswego?
Evergy (Evergy Kansas Central, Inc.), an investor-owned utility. Its homes paid about 14.6¢ per kWh in 2025 (EIA).
What internet providers serve Oswego?
Wave Wireless, Sparklight, Mediacom Xtream, Brightspeed, Wisper, Verizon (FCC, as of December 2025).
What ZIP codes are in Oswego?
67356. Census 2020 ZIP Code Tabulation Areas.
What school district is Oswego in?
Oswego Unified School District 504.
How do I register to vote in Oswego?
In Kansas you can register online until 21 days before Election Day, in person until 21 days before Election Day, or by mail (postmarked 21 days before). Elections here are run by the Labette County Clerk. Check your registration at myvoteinfo.voteks.org.
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: Oswego’s own website (oswegokansas.com), read Oct 22, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- 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.