ZIP 28334 falls in Sampson County, North Carolina, where we hold 1 septic-related documents. We have not classified septic-versus-sewer status for this county, and we do not have a per-ZIP parcel count -- see the county page for what we hold and where the records are kept.
ZCTA 28334 is not entirely inside one county. Land-area share is from the 2020 Census ZCTA-to-county relationship file.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| Sampson County, North Carolina | 47% | 1 | — | — |
| Harnett County, North Carolina | 37% | 41 | — | — |
| Cumberland County, North Carolina | 8% | 93 | — | — |
| Johnston County, North Carolina | 8% | 32 | — | — |
1 businesses on record with an address in this ZIP: pumping, installation, design, inspection and repair. Not an endorsement, and we take no fee.
| Company | City | Phone | Rating |
|---|---|---|---|
| Grade A Septic Inspectors | Dunn | (919) 586-1785 | 3.7 (3) |
Land-area overlap is from the 2020 Census Bureau ZCTA5-to-county relationship file, not an estimate of ours. Parcel and document counts are rows we hold, not a survey of every property in the ZIP. Last verified 2026-09-01.
We have not measured septic-versus-sewer status for this county yet.
ZIP 28334 spans 4 counties: Sampson County, North Carolina, Harnett County, North Carolina, Cumberland County, North Carolina, Johnston County, North Carolina.