Living in Macomb, NY: what to set up and who to call
Macomb spans 4 ZIP codes; 13642 holds the most residents (35%). Gouverneur Hospital, 8.4 miles away, is the nearest emergency room.
I’m new in town
What to set up in Macomb, 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 Macomb.
Power comes from National Grid
National Grid (Niagara Mohawk Power Corp.), an investor-owned utility, serves all of Macomb. Its homes paid an average of 19.9¢ per kWh in 2025, about $130 a month (its average across New York, for customers on its standard service). New York lets you buy power from another supplier; 6% of National Grid’s home customers do, and National Grid still delivers it.
Start or move service: www1.nationalgridus.com · (315) 474-1511
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
3 home internet providers serve Macomb
97% of 791 addresses can get 100/20 Mbps; 97% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Citizens Telephone Company of Hammond, NY | Fiber | 97% | 1,000/500 |
| Verizon | Fixed wireless, Fiber | 24% | 300/20 |
| T-Mobile | Fixed wireless | 7% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Macomb’s trash rules yet
Pickup rules, the dump and recycling in Macomb.
Where your child goes to school
Public school districts and the school path by grade.
Most of Macomb (53%) is in Gouverneur Central School District; parts are in Morristown Central School District (26%) and Heuvelton Central School District (17%) and Hammond Central School District (4%).
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 Aug 3, 2026.
Macomb spans 4 ZIP codes
ZIP codes where Macomb residents live, with the share of the town in each.
| ZIP | Post office name | Share of Macomb | ZIP’s residents in Macomb |
|---|---|---|---|
| 13642 | Gouverneur, NY | 35% | 3% |
| 13646 | Hammond, NY | 29% | 12% |
| 13654 | Heuvelton, NY | 28% | 10% |
| 13633 | De Peyster, NY | 9% | 27% |
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 Macomb
Who provides electricity in Macomb?
National Grid (Niagara Mohawk Power Corp.), an investor-owned utility. Its homes paid about 19.9¢ per kWh in 2025 (EIA).
What internet providers serve Macomb?
Citizens Telephone Company of Hammond, NY, Verizon, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Macomb?
13642 (35%), 13646 (29%), 13654 (28%), 13633 (9%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Macomb in?
Gouverneur Central School District. Parts of the city are in Morristown Central School District and Heuvelton Central School District and Hammond Central School District.
How do I register to vote in Macomb?
In New York you can register online until 10 days before Election Day, in person until 10 days before Election Day, or by mail (postmarked 15 days before and received 10 days before). Elections here are run by the St. Lawrence County Board of Elections. Check your registration at voterlookup.elections.ny.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- 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.