Photo: Daniel Mayer · CC BY-SA 3.0Living in Stone Mountain, GA: what to set up and who to call
Stone Mountain spans 2 ZIP codes; 30083 holds the most residents (97%). Most homes in Stone Mountain have two wired internet choices, Xfinity and AT&T.
I’m new in town
What to set up in Stone Mountain, 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 Stone Mountain.
Power comes from Georgia Power
Georgia Power (Georgia Power Co), an investor-owned utility, serves all of Stone Mountain. Its homes paid an average of 16.3¢ per kWh in 2025, about $161 a month (its average across Georgia).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Dekalb County water system
The Dekalb County water system supplies almost all of Stone Mountain. It draws surface water (EPA lists Atlanta and Gwinnett Co. Dept. of Water Resources as sellers) and serves 743,000 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 93% of the 42 systems serving 500,001–1,000,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 5.5 ppb, below the 15 ppb action level that applied. That’s higher than 87% 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. GA0890001.
4 home internet providers serve Stone Mountain
100% of 1,893 addresses can get 100/20 Mbps; 79% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Xfinity | Cable | 100% | 2,000/250 |
| AT&T | Fiber, DSL, Fixed wireless | 98% | 5,000/5,000 |
| Verizon | Fixed wireless | 50% | 300/20 |
| T-Mobile | Fixed wireless | 25% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
A county or regional provider runs trash and recycling for Stone Mountain
Pickup days, the drop-off and recycling in Stone Mountain, from the town’s own site.
We couldn’t find pickup days or drop-off hours. Check stonemountaincity.org →
From stonemountaincity.org, 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.
Stone Mountain is in DeKalb County School District.
C−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 Nov 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Stone Mountain spans 2 ZIP codes
ZIP codes where Stone Mountain residents live, with the share of the town in each.
| ZIP | Post office name | Share of Stone Mountain | ZIP’s residents in Stone Mountain |
|---|---|---|---|
| 30083 | Stone Mountain, GA | 97% | 11% |
| 30087 | Stone Mountain, GA | 3% | 0% |
A few homes fall in 30088. 30086 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.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Stone Mountain
Who supplies Stone Mountain’s drinking water, and has it had violations?
The Dekalb County water system (EPA ID GA0890001). It reported no health-based violations to EPA in the five years to October 2026; 93% of systems its size had none. Its latest lead 90th percentile was 5.5 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Stone Mountain?
Georgia Power (Georgia Power Co), an investor-owned utility. Its homes paid about 16.3¢ per kWh in 2025 (EIA).
What internet providers serve Stone Mountain?
Xfinity, AT&T, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Stone Mountain?
30083 (97%), 30087 (3%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Stone Mountain in?
DeKalb County School District.
How do I register to vote in Stone Mountain?
In Georgia you can register online until 29 days before Election Day, in person until 29 days before Election Day, or by mail (postmarked 29 days before). Elections here are run by the DeKalb County Board of Registration and Elections. Check your registration at mvp.sos.ga.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: Stone Mountain’s own website (stonemountaincity.org), 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 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.