Photo: Famartin · CC BY-SA 4.0Living in Poolesville, MD: what to set up and who to call
All of Poolesville gets its mail under one ZIP code, 20837. Verizon and Xfinity wire most of Poolesville, and 98% of addresses can get fiber.
I’m new in town
What to set up in Poolesville, 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 Poolesville.
Power comes from Potomac Edison
Potomac Edison (The Potomac Edison Co.), an investor-owned utility, serves all of Poolesville. Its homes paid an average of 15.4¢ per kWh in 2025, about $172 a month (its average across Maryland, for customers on its standard service). Maryland lets you buy power from another supplier; 2% of Potomac Edison’s home customers do, and Potomac Edison still delivers it.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Town of Poolesville water system
The Town of Poolesville water system supplies almost all of Poolesville. It draws ground water influenced by surface water and serves 6,005 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 80% of the 5,012 systems serving 3,301–10,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2016–Dec 2018, was 5.0 ppb, below the 15 ppb action level that applied. It’s from 2018: EPA has no newer result for this system.
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. MD0150002.
4 home internet providers serve Poolesville
100% of 1,955 addresses can get 100/20 Mbps; 98% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Verizon | Fiber, Fixed wireless | 99% | 2,300/2,300 |
| Xfinity | Cable, Fiber | 99% | 1,200/35 |
| T-Mobile | Fixed wireless | 87% | 100/20 |
| AT&T | Fixed wireless | 62% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Poolesville is Monday, Tuesday, Thursday or Friday, depending on your street
Pickup days, the drop-off and recycling in Poolesville, from the town’s own site.
Your pickup week
- TrashEvery week, on your street’s day (Mon, Tue, Thu or Fri)Find your street’s day on poolesvillemd.gov →
- RecyclingEvery week, Wed
Dual-stream recycling
Paper goes out separately from bottles and cans.
- Aluminum foil products
- Cans - aluminum, steel, bi-metal
- Glass bottles and jars
- Plastic bottles, containers, tubs and lids
From poolesvillemd.gov, the town’s official site, checked Oct 21, 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.
Poolesville is in Montgomery County 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 Aug 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Mar 11, 2026.
Poolesville is in ZIP code 20837
ZIP codes where Poolesville residents live, with the share of the town in each.
| ZIP | Post office name | Share of Poolesville | ZIP’s residents in Poolesville |
|---|---|---|---|
| 20837 | Poolesville, MD | 100% | 87% |
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 Poolesville
Who supplies Poolesville’s drinking water, and has it had violations?
The Town of Poolesville water system (EPA ID MD0150002). It reported no health-based violations to EPA in the five years to October 2026; 80% of systems its size had none. Its latest lead 90th percentile was 5.0 ppb (Jan 2016–Dec 2018), against a 15 ppb action level.
Who provides electricity in Poolesville?
Potomac Edison (The Potomac Edison Co.), an investor-owned utility. Its homes paid about 15.4¢ per kWh in 2025 (EIA).
What internet providers serve Poolesville?
Verizon, Xfinity, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Poolesville?
20837. Census 2020 ZIP Code Tabulation Areas.
What school district is Poolesville in?
Montgomery County Public Schools.
How do I register to vote in Poolesville?
In Maryland you can register online until 21 days before Election Day, in person up to and including Election Day, or by mail (postmarked 21 days before). Elections here are run by the Montgomery County Board of Elections. Check your registration at voterservices.elections.maryland.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: Poolesville’s own website (poolesvillemd.gov), read Oct 21, 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 Mar 11, 2026 (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.