Jamestown Town Hall · Photo: Onionhead19 · CC BY-SA 3.0Living in Jamestown, CO: what to set up and who to call
All of Jamestown gets its mail under one ZIP code, 80455. For a library card, the closest branch is Lyons Regional Library District, 9.6 miles out.
I’m new in town
What to set up in Jamestown, 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 Jamestown.
Power comes from Xcel Energy
Xcel Energy (Public Service Co. of Colorado), an investor-owned utility, serves all of Jamestown. Its homes paid an average of 15.9¢ per kWh in 2025, about $93 a month (its average across Colorado).
Start or move service: xcelenergy.com · (800) 895-4999
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Town of Jamestown water system
The Town of Jamestown water system supplies almost all of Jamestown. It draws surface water and serves 280 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 77% of the 15,074 systems serving 101–500 people.
The latest lead result on file, the 90th percentile of homes sampled in Jul–Dec 2025, was 2.0 ppb, below the 15 ppb action level that applied. The highest in five years was 4.0 ppb. That’s higher than 70% 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. CO0107401.
1 home internet providers serve Jamestown
0% of 128 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| CenturyLink | DSL | 96% | 100/10 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Jamestown’s trash rules yet
Pickup rules, the dump and recycling in Jamestown.
Where your child goes to school
Public school districts and the school path by grade.
Jamestown is in Boulder Valley School District RE-2.
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 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Jamestown is in ZIP code 80455
ZIP codes where Jamestown residents live, with the share of the town in each.
| ZIP | Post office name | Share of Jamestown | ZIP’s residents in Jamestown |
|---|---|---|---|
| 80455 | Jamestown, CO | 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 Jamestown
Who supplies Jamestown’s drinking water, and has it had violations?
The Town of Jamestown water system (EPA ID CO0107401). It reported no health-based violations to EPA in the five years to October 2026; 77% of systems its size had none. Its latest lead 90th percentile was 2.0 ppb (Jul–Dec 2025), against a 15 ppb action level.
Who provides electricity in Jamestown?
Xcel Energy (Public Service Co. of Colorado), an investor-owned utility. Its homes paid about 15.9¢ per kWh in 2025 (EIA).
What internet providers serve Jamestown?
CenturyLink (FCC, as of December 2025).
What ZIP codes are in Jamestown?
80455. Census 2020 ZIP Code Tabulation Areas.
What school district is Jamestown in?
Boulder Valley School District RE-2.
How do I register to vote in Jamestown?
In Colorado you can register online until 8 days before Election Day, in person up to and including Election Day, or by mail (postmarked 8 days before). Elections here are run by the Boulder County Clerk and Recorder, Elections Division. Check your registration at sos.state.co.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 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.