Photo: Tim Kiser (w:User:Malepheasant) · CC BY-SA 2.5Living in Williamsport, MD: what to set up and who to call
Williamsport runs its own electric utility, Town of Williamsport. For emergencies, Williamsport is closest to Meritus Medical Center, 7.5 miles away.
I’m new in town
What to set up in Williamsport, 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 Williamsport.
Power comes from Town of Williamsport
Town of Williamsport (Town of Williamsport - (MD)), a municipal utility, serves all of Williamsport.
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Town of Williamsport Distribution System
Town of Williamsport Distribution System supplies almost all of Williamsport. It buys treated surface water (EPA lists City of Hagerstown as seller) and serves 2,400 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 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. MD0210021.
5 home internet providers serve Williamsport
98% of 616 addresses can get 100/20 Mbps; 89% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Fiber, Cable | 95% | 2,000/2,000 |
| Antietam Cable | Cable, Fiber | 91% | 2,300/2,300 |
| Verizon | Fixed wireless | 94% | 300/20 |
| T-Mobile | Fixed wireless | 35% | 25/3 |
| AT&T | Fixed wireless | 28% | 25/3 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Williamsport’s trash rules yet
Pickup rules, the dump and recycling in Williamsport.
Where your child goes to school
Public school districts and the school path by grade.
Williamsport is in Washington County Public Schools.
BSchool 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.
Williamsport is in ZIP code 21795
ZIP codes where Williamsport residents live, with the share of the town in each.
| ZIP | Post office name | Share of Williamsport | ZIP’s residents in Williamsport |
|---|---|---|---|
| 21795 | Williamsport, MD | 100% | 21% |
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 Williamsport
Who supplies Williamsport’s drinking water, and has it had violations?
Town of Williamsport Distribution System (EPA ID MD0210021). It reported no health-based violations to EPA in the five years to October 2026; 78% of systems its size had none.
Who provides electricity in Williamsport?
Town of Williamsport (Town of Williamsport - (MD)), a municipal utility.
What internet providers serve Williamsport?
Xfinity, Antietam Cable, Verizon, T-Mobile, AT&T (FCC, as of December 2025).
What ZIP codes are in Williamsport?
21795. Census 2020 ZIP Code Tabulation Areas.
What school district is Williamsport in?
Washington County Public Schools.
How do I register to vote in Williamsport?
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 Washington 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: 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 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.