Greenfield Opera House Building · Photo: Kbh3rd · CC BY-SA 3.0Living in Greenfield, MO: what to set up and who to call
In Greenfield, trash day is Wednesday (GFL Waste Service collects). Power in Greenfield comes from Sac-Osage Electric Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Greenfield, 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 Greenfield.
Power comes from Sac-Osage Electric Coop
Sac-Osage Electric Coop (Sac-Osage Electric Coop Inc), a cooperative utility, serves all of Greenfield.
Start or move service: sacosage.com
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Greenfield PWS
Greenfield PWS supplies almost all of Greenfield. It draws ground water and serves 1,400 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 2023–Dec 2025, was 1.8 ppb, below the 15 ppb action level that applied. That’s higher than 68% 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. MO5010331.
5 home internet providers serve Greenfield
100% of 632 addresses can get 100/20 Mbps; 2% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Mediacom Xtream | Cable, Fiber | 100% | 1,000/50 |
| Brightspeed | DSL | 70% | 40/3 |
| Wisper | Fixed wireless | 99% | 400/30 |
| T-Mobile | Fixed wireless | 75% | 100/20 |
| AT&T | Fixed wireless | 3% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Greenfield is Wednesday
Pickup days, the drop-off and recycling in Greenfield, from the town’s own site.
This month
- TrashEvery week
Yard waste drop-off site (city limits residents only)
- Mon8 am–4 pm
- Tue8 am–4 pm
- Wed8 am–4 pm
- Thu8 am–4 pm
- Fri8 am–4 pm
From greenfieldmo.org, 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.
Greenfield is in Greenfield R-IV School District.
CSchool 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 Sep 2017; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Greenfield is in ZIP code 65661
ZIP codes where Greenfield residents live, with the share of the town in each.
| ZIP | Post office name | Share of Greenfield | ZIP’s residents in Greenfield |
|---|---|---|---|
| 65661 | Greenfield, MO | 100% | 50% |
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 Greenfield
Who supplies Greenfield’s drinking water, and has it had violations?
Greenfield PWS (EPA ID MO5010331). 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 1.8 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Greenfield?
Sac-Osage Electric Coop (Sac-Osage Electric Coop Inc), a cooperative utility.
What internet providers serve Greenfield?
Mediacom Xtream, Brightspeed, Wisper, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Greenfield?
65661. Census 2020 ZIP Code Tabulation Areas.
What school district is Greenfield in?
Greenfield R-IV School District.
How do I register to vote in Greenfield?
In Missouri you can register online until 27 days before Election Day, in person until 27 days before Election Day, or by mail (postmarked 27 days before). Elections here are run by the Dade. Check your registration at voteroutreach.sos.mo.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: Greenfield’s own website (greenfieldmo.org), 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.