Living in Custer, MI: what to set up and who to call
Every home in Custer is in ZIP code 49405. Most of Custer has one wired internet choice: Spectrum.
I’m new in town
What to set up in Custer, 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 Custer.
Power comes from DTE
DTE (DTE Electric Co.), an investor-owned utility, serves all of Custer. Its homes paid an average of 20.2¢ per kWh in 2025, about $126 a month (its average across Michigan, for customers on its standard service). Michigan lets you buy power from another supplier; 0% of DTE’s home customers do, and DTE still delivers it.
Start or move service: www.dteenergy.com · (800) 477-4747
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
4 home internet providers serve Custer
93% of 160 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Spectrum | Cable | 89% | 1,000/1,000 |
| T-Mobile | Fixed wireless | 78% | 100/20 |
| AT&T | Fixed wireless | 61% | 25/3 |
| SyncWave | Fixed wireless | 34% | 32/18 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Custer’s trash rules yet
Pickup rules, the dump and recycling in Custer.
Where your child goes to school
Public school districts and the school path by grade.
Custer is in Mason County Eastern District.
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 Nov 2025; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.
Custer is in ZIP code 49405
ZIP codes where Custer residents live, with the share of the town in each.
| ZIP | Post office name | Share of Custer | ZIP’s residents in Custer |
|---|---|---|---|
| 49405 | Custer, MI | 100% | 17% |
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 Custer
Who provides electricity in Custer?
DTE (DTE Electric Co.), an investor-owned utility. Its homes paid about 20.2¢ per kWh in 2025 (EIA).
What internet providers serve Custer?
Spectrum, T-Mobile, AT&T, SyncWave (FCC, as of December 2025).
What ZIP codes are in Custer?
49405. Census 2020 ZIP Code Tabulation Areas.
What school district is Custer in?
Mason County Eastern District.
How do I register to vote in Custer?
In Michigan you can register online until 15 days before Election Day, in person up to and including Election Day, or by mail (postmarked 15 days before). Elections here are run by the Custer Township Clerk. Check your registration at mvic.sos.state.mi.us.
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 Sep 12, 2025 (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.