County ZIP codes · North Carolina · FIPS 37061
Duplin County, NC ZIP Codes
Duplin County, North Carolina has 18 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 12 of the residential ones lie mainly in Duplin County and 6 mainly in a neighboring county; 13 cross the county line. Median household income ranges from $40,338 in 28458 (Rose Hill) to $73,388 in 28478 (Willard) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Duplin County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $52,174 and $65,558.
They carry 18 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 18 residential ZIP codes in Duplin County
12 ZIP codes lie mainly in Duplin County; 6 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 28365 | Mount Olive | 15,999 | 84 | $52k | $139k | 49% |
| 28466 | Wallace | 8,893 | 50 | $66k | $193k | 63% |
| 28518 | Beulaville | 7,651 | 80 | $54k | $159k | 89% |
| 28572 | Pink Hill | 6,658 | 60 | $56k | $137k | 52% |
| 28398 | Warsaw | 6,417 | 68 | $48k | $91k | 100% |
| 28458 | Rose Hill | 5,446 | 48 | $40k | $116k | 70% |
| 28349 | Kenansville | 3,775 | 57 | $54k | $107k | 100% |
| 28453 | Magnolia | 3,206 | 38 | $61k | $141k | 75% |
| 28464 | Teachey | 2,185 | 90 | $60k | $174k | 100% |
| 28508 | Albertson | 1,813 | 50 | $35k | $48k | 100% |
| 28521 | Chinquapin | 1,593 | 39 | $48k | $129k | 96% |
| 28325 | Calypso | 384 | 405 | $54k | $100k | 100% |
Partly in Duplin County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 28341 | Faison | 2,886 | 31 | $57k | $120k | 41% |
| 28578 | Seven Springs | 4,219 | 64 | $70k | $95k | 15% |
| 28525 | Deep Run | 3,613 | 76 | $59k | $105k | 8% |
| 28574 | Richlands | 20,990 | 169 | $67k | $217k | 4% |
| 28444 | Harrells | 2,479 | 24 | $44k | $207k | 3% |
| 28478 | Willard | 5,017 | 41 | $73k | $179k | 1% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
13 ZIP codes of Duplin County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Duplin | Elsewhere |
|---|---|---|
| 28574 | 4% | Onslow County 92%; Jones County 4% |
| 28365 | 49% | Wayne County 46%; Sampson County 5% |
| 28466 | 63% | Pender County 37% |
| 28518 | 89% | Onslow County 11% |
| 28572 | 52% | Lenoir County 27%; Jones County 21% |
| 28458 | 70% | Sampson County 30% |
| 28478 | 1% | Pender County 92%; Sampson County 7% |
| 28578 | 15% | Wayne County 58%; Lenoir County 28% |
| 28525 | 8% | Lenoir County 92% |
| 28453 | 75% | Sampson County 25% |
| 28341 | 41% | Sampson County 59% |
| 28444 | 3% | Sampson County 55%; Bladen County 42% |
| 28521 | 96% | Onslow County 4% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Duplin County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Duplin County's ZIP codes use 3 prefixes: 283, 284 and 285.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 283 | Fayetteville, NC (SCF 283) | 5 | 86 |
| 284 | Fayetteville, NC (SCF 283) | 6 | 62 |
| 285 | Fayetteville, NC (SCF 283) | 7 | 71 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.