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The Windsor handbook

Living in Windsor, SC: what to set up and who to call

Every home in Windsor is in ZIP code 29856. For an emergency, Aiken Regional Medical Center is the closest ER, 15.9 miles away.

Which school will my kid attend?How do I register to vote?ZIP codes

I’m new in town

What to set up in Windsor, and who provides it. Tap an answer for the details and where they come from.

PowerDominion Energy South Carolinainvestor-owned utility · 16.4¢/kWhMore →Internet6 providers100% of addresses get 100/20 MbpsMore →Trash & dumpNot on file yetWe don’t have Windsor’s trash rules yetMore →SchoolAiken County School DistrictWhich school depends on grade and addressMore →Register to voteOnlineRules from vote.govMore →ZIP code29856Where people live, not P.O. boxesMore →
Home services

Power, water and internet

Who to call to start service at a new address in Windsor.

Electricity

Power comes from Dominion Energy South Carolina

Dominion Energy South Carolina (Dominion Energy South Carolina, Inc), an investor-owned utility, serves all of Windsor. Its homes paid an average of 16.4¢ per kWh in 2025, about $169 a month (its average across South Carolina).

Start or move service: sceg.com · (800) 251-7234

Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.

Internet

6 home internet providers serve Windsor

100% of 72 addresses can get 100/20 Mbps; 100% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
CarolinaConnect CooperativeFiber100%1,000/1,000
SpectrumFiber96%1,000/1,000
BreezelineCable85%1,000/50
AT&TDSL, Fixed wireless79%25/3
VerizonFixed wireless43%25/6
T-MobileFixed wireless22%25/3

FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.

Trash & recycling

We don’t have Windsor’s trash rules yet

Pickup rules, the dump and recycling in Windsor.

Trash, recycling and bulk pickupNot on fileOpenStreetMap lists no public drop-off in Windsor or within 5 miles (as of Oct 9, 2026); map coverage varies by town.
Schools

Where your child goes to school

Public school districts and the school path by grade.

Windsor kids go to
PK–521 elementary schoolsDepends on your address
6–811 middle schoolsDepends on your address
9–128 high schoolsDepends on your address

Windsor is in Aiken County School 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.

Government & voting

Town hall and registering to vote

Who to call, and how to register.

Town HallBudget, officials, electionsWindsor’s government in one page
Who runs elections hereAiken Board of Voter RegistrationElections here are run by Aiken County (county election office). Post Office Box 3127, Aiken, SC 29802 · (803) 642-2028FVAP, Oct 2024
Register to voteOnlineIn South Carolina you can register online until 30 days before Election Day, in person until 30 days before Election Day, or by mail (postmarked 30 days before).vote.govCheck your registration and polling placevrems.scvotes.sc.govThe state’s voter lookup

Election office: FVAP local election office directory, updated Oct 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Sep 12, 2025.

ZIP codes & area codes

Windsor is in ZIP code 29856

ZIP codes where Windsor residents live, with the share of the town in each.

ZIPPost office nameShare of WindsorZIP’s residents in Windsor
29856Windsor, SC100%4%
Area code803Wikidata

Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.

Everyday places

Getting around, the ER and the library

One line each; the subject pages have the rest.

Nearest emergency roomAiken Regional Medical Center15.9 miles awayGet a library cardAiken County Public Library314 Chesterfield Street, S.W. · (803) 642-2022

ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.

Questions about living in Windsor

Who provides electricity in Windsor?

Dominion Energy South Carolina (Dominion Energy South Carolina, Inc), an investor-owned utility. Its homes paid about 16.4¢ per kWh in 2025 (EIA).

What internet providers serve Windsor?

CarolinaConnect Cooperative, Spectrum, Breezeline, AT&T, Verizon, T-Mobile (FCC, as of December 2025).

What ZIP codes are in Windsor?

29856. Census 2020 ZIP Code Tabulation Areas.

What school district is Windsor in?

Aiken County School District.

How do I register to vote in Windsor?

In South Carolina you can register online until 30 days before Election Day, in person until 30 days before Election Day, or by mail (postmarked 30 days before). Elections here are run by the Aiken Board of Voter Registration. Check your registration at vrems.scvotes.sc.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 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.