Photo: Chillin662 · CC BY-SA 4.0Living in Holcomb, MS: what to set up and who to call
Holcomb has no town government of its own, so Grenada County runs its elections and most services, and its children attend Grenada School District. Tap water in most of Holcomb comes from the Grenada-Bogue Basin/Holcomb water system, which has a clean five-year EPA record (about 22% of systems its size had a health-based violation) and a latest lead result of 0.8 ppb.
I’m new in town
What to set up in Holcomb, 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 Holcomb.
Power comes from Entergy Mississippi
Entergy Mississippi (Entergy Mississippi LLC), an investor-owned utility, serves all of Holcomb. Its homes paid an average of 13.9¢ per kWh in 2025, about $168 a month (its average across Mississippi).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Grenada-Bogue Basin/Holcomb water system
The Grenada-Bogue Basin/Holcomb water system supplies Holcomb: about 50% of residents live in its service area. About 50% of homes are outside any mapped community water system, most likely on private wells, which EPA doesn’t regulate. It draws ground water and serves 1,837 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 7,966 systems serving 1,001–3,300 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 0.8 ppb, below the 15 ppb action level that applied. That’s lower than 55% 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 (EPA’s estimate). Violations are counted by the start of their compliance period. MS0220004.
5 home internet providers serve Holcomb
100% of 271 addresses can get 100/20 Mbps; 82% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Sparklight | Cable | 92% | 1,000/50 |
| AT&T | Fiber, DSL, Fixed wireless | 65% | 5,000/5,000 |
| Delta Fiber | Fiber | 50% | 1,000/1,000 |
| C Spire | Fixed wireless | 100% | 100/20 |
| T-Mobile | Fixed wireless | 74% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Holcomb’s trash rules yet
Pickup rules, the dump and recycling in Holcomb.
Where your child goes to school
Public school districts and the school path by grade.
Holcomb is in Grenada 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.
No town hall: the county runs things
Holcomb is unincorporated, so Grenada County is the local government.
Election office: FVAP local election office directory, updated Sep 2023; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Holcomb is in ZIP code 38940
ZIP codes where Holcomb residents live, with the share of the town in each.
| ZIP | Post office name | Share of Holcomb | ZIP’s residents in Holcomb |
|---|---|---|---|
| 38940 | Holcomb, MS | 100% | 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 Holcomb
Who supplies Holcomb’s drinking water, and has it had violations?
The Grenada-Bogue Basin/Holcomb water system (EPA ID MS0220004). It reported no health-based violations to EPA in the five years to October 2026; 78% of systems its size had none. Its latest lead 90th percentile was 0.8 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Holcomb?
Entergy Mississippi (Entergy Mississippi LLC), an investor-owned utility. Its homes paid about 13.9¢ per kWh in 2025 (EIA).
What internet providers serve Holcomb?
Sparklight, AT&T, Delta Fiber, C Spire, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Holcomb?
38940. Census 2020 ZIP Code Tabulation Areas.
What school district is Holcomb in?
Grenada School District.
How do I register to vote in Holcomb?
Mississippi has no online registration; you can register in person until 30 days before Election Day or by mail (postmarked 30 days before). Elections here are run by the Grenada County Registrar. Check your registration at msegov.com.
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 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.