Living in Geronimo, OK: what to set up and who to call
Cotton Co RWD #2 reported one health-based violation to EPA in the last five years: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024. Power in Geronimo comes from Cotton Electric Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Geronimo, 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 Geronimo.
Power comes from Cotton Electric Coop
Cotton Electric Coop (Cotton Electric Coop, Inc), a cooperative utility, serves all of Geronimo. Its homes paid an average of 12.7¢ per kWh in 2025, about $164 a month (its average across Oklahoma).
Start or move service: www.cottonelectric.com · (580) 875-3351
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Cotton Co RWD #2
Cotton Co RWD #2 supplies Geronimo: about 56% of residents live in its service area. Geronimo serves another 35%. Comanche Co RWD #3 serves another 5%. About 8% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water (EPA lists Lawton as seller) and serves 3,000 people in all.
1 health-based violation reported to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions), beginning Oct 2024. 78% of the 7,966 systems serving 1,001–3,300 people had none.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 1.3 ppb, below the 15 ppb action level that applied. That’s higher than 58% 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. OK2001702.
8 home internet providers serve Geronimo
100% of 554 addresses can get 100/20 Mbps; 100% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Southern Plains Cable | Fiber | 100% | 1,000/500 |
| Vyve Broadband | Cable | 95% | 1,000/50 |
| Southwest Oklahoma Telephone Company | Fixed wireless | 100% | 25/3 |
| Rise Broadband | Fixed wireless | 100% | 25/5 |
| Nextlink | Fixed wireless | 99% | 700/300 |
| Verizon | Fixed wireless | 92% | 300/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Geronimo’s trash rules yet
Pickup rules, the dump and recycling in Geronimo.
Where your child goes to school
Public school districts and the school path by grade.
Geronimo is in Geronimo Public Schools.
B+School 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 Feb 2018; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Geronimo is in ZIP code 73543
ZIP codes where Geronimo residents live, with the share of the town in each.
| ZIP | Post office name | Share of Geronimo | ZIP’s residents in Geronimo |
|---|---|---|---|
| 73543 | Geronimo, OK | 100% | 68% |
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 Geronimo
Who supplies Geronimo’s drinking water, and has it had violations?
Cotton Co RWD #2 (EPA ID OK2001702). It reported 1 health-based violation to EPA in the five years to October 2026: a lead and copper treatment requirement (Lead and Copper Rule Revisions). 78% of systems its size had none. Its latest lead 90th percentile was 1.3 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Geronimo?
Cotton Electric Coop (Cotton Electric Coop, Inc), a cooperative utility. Its homes paid about 12.7¢ per kWh in 2025 (EIA).
What internet providers serve Geronimo?
Southern Plains Cable, Vyve Broadband, Southwest Oklahoma Telephone Company, Rise Broadband, Nextlink, Verizon (FCC, as of December 2025).
What ZIP codes are in Geronimo?
73543. Census 2020 ZIP Code Tabulation Areas.
What school district is Geronimo in?
Geronimo Public Schools.
How do I register to vote in Geronimo?
In Oklahoma you can register online until 25 days before Election Day, in person until 25 days before Election Day, or by mail (received 25 days before). Elections here are run by the Secretary, Comanche County Election Board. Check your registration at okvoterportal.okelections.us.
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.