Photo: APK · CC BY 4.0Living in Martinsburg, WV: what to set up and who to call
Most mail in Martinsburg goes to 25401 (66% of residents), one of 3 ZIP codes in town. Martinsburg has its own train station.
I’m new in town
What to set up in Martinsburg, 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 Martinsburg.
Power comes from Potomac Edison
Potomac Edison (The Potomac Edison Co.), an investor-owned utility, serves all of Martinsburg. Its homes paid an average of 13.1¢ per kWh in 2025, about $165 a month (its average across West Virginia).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from City of Martinsburg water system
The City of Martinsburg water system supplies Martinsburg: about 41% of residents live in its service area. Berkeley County Pswd-Potomac River serves another 9%. About 52% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water influenced by surface water and serves 16,250 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 83% of the 3,525 systems serving 10,001–50,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 2.6 ppb, below the 15 ppb action level that applied. That’s higher than 76% 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. WV3300212.
6 home internet providers serve Martinsburg
100% of 6,703 addresses can get 100/20 Mbps; 79% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable, Fiber | 100% | 2,000/250 |
| Glo Fiber | Fiber | 86% | 8,000/8,000 |
| Verizon | Fixed wireless | 72% | 300/20 |
| AT&T | Fixed wireless | 70% | 25/3 |
| Morgan Wireless | Fixed wireless | 62% | 25/3 |
| T-Mobile | Fixed wireless | 35% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Martinsburg’s trash rules yet
Pickup rules, the dump and recycling in Martinsburg.
Where your child goes to school
Public school districts and the school path by grade.
Martinsburg is in Berkeley County School District.
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 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Martinsburg spans 3 ZIP codes
ZIP codes where Martinsburg residents live, with the share of the town in each.
| ZIP | Post office name | Share of Martinsburg | ZIP’s residents in Martinsburg |
|---|---|---|---|
| 25401 | Martinsburg, WV | 66% | 82% |
| 25404 | Martinsburg, WV | 22% | 18% |
| 25403 | Martinsburg, WV | 12% | 14% |
25402 is P.O. box or single-organization ZIP with no homes.
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.
Train: OpenStreetMap (© OpenStreetMap contributors). ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Martinsburg
Who supplies Martinsburg’s drinking water, and has it had violations?
The City of Martinsburg water system (EPA ID WV3300212). It reported no health-based violations to EPA in the five years to October 2026; 83% of systems its size had none. Its latest lead 90th percentile was 2.6 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Martinsburg?
Potomac Edison (The Potomac Edison Co.), an investor-owned utility. Its homes paid about 13.1¢ per kWh in 2025 (EIA).
What internet providers serve Martinsburg?
Xfinity, Glo Fiber, Verizon, AT&T, Morgan Wireless, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Martinsburg?
25401 (66%), 25404 (22%), 25403 (12%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Martinsburg in?
Berkeley County School District.
How do I register to vote in Martinsburg?
In West Virginia you can register online until 21 days before Election Day, in person until 21 days before Election Day, or by mail (postmarked 21 days before). Elections here are run by the Berkeley Clerk of the County Commission. Check your registration at apps.sos.wv.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 Aug 3, 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.