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County ZIP codes · North Carolina · FIPS 37085

Harnett County, NC ZIP Codes

Harnett County, North Carolina has 20 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 17 residential and 3 for PO boxes or a single organization. 11 of the residential ones lie mainly in Harnett County and 6 mainly in a neighboring county; 11 cross the county line. Median household income ranges from $50,313 in 28339 (Erwin) to $128,989 in 27540 (Holly Springs) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Harnett County?

27330 · Sanford: $61k27332 · Sanford: $78k27501 · Angier: $73k27504 · Benson: $67k27505 · Broadway: $80k27506 · Buies Creek: –27521 · Coats: $62k27526 · Fuquay Varina: $110k27540 · Holly Springs: $129k27546 · Lillington: $67k28323 · Bunnlevel: $69k28326 · Cameron: $75k28334 · Dunn: $53k28339 · Erwin: $50k28356 · Linden: $72k28368 · Olivia: –28390 · Spring Lake: $63k27330283342750428326275462752627332275052839027540275012835628323283392752127330 · Sanford: $61k27332 · Sanford: $78k27501 · Angier: $73k27504 · Benson: $67k27505 · Broadway: $80k27506 · Buies Creek: –27521 · Coats: $62k27526 · Fuquay Varina: $110k27540 · Holly Springs: $129k27546 · Lillington: $67k28323 · Bunnlevel: $69k28326 · Cameron: $75k28334 · Dunn: $53k28339 · Erwin: $50k28356 · Linden: $72k28368 · Olivia: –28390 · Spring Lake: $63k27330283342750428326275462752627332275052839027540275012835628323283392752127330 · Sanford: $61k27332 · Sanford: $78k27501 · Angier: $73k27504 · Benson: $67k27505 · Broadway: $80k27506 · Buies Creek: –27521 · Coats: $62k27526 · Fuquay Varina: $110k27540 · Holly Springs: $129k27546 · Lillington: $67k28323 · Bunnlevel: $69k28326 · Cameron: $75k28334 · Dunn: $53k28339 · Erwin: $50k28356 · Linden: $72k28368 · Olivia: –28390 · Spring Lake: $63k273302833427504283262754627526273322839027540275012835628323
The residential ZIP codes of Harnett County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

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 $61,590 and $75,431.

They carry 16 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 17 residential ZIP codes in Harnett County

11 ZIP codes lie mainly in Harnett County; 6 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Harnett County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
27526 Fuquay Varina 61,588 628 $110k $414k 60%
28326 Cameron 26,068 221 $75k $267k 57%
27501 Angier 24,806 395 $73k $273k 62%
28390 Spring Lake 24,000 399 $63k $219k 52%
27546 Lillington 21,419 175 $67k $270k 100%
27505 Broadway 8,152 152 $80k $191k 96%
28339 Erwin 6,894 194 $50k $165k 100%
27521 Coats 6,549 252 $62k $227k 100%
28323 Bunnlevel 4,758 128 $69k $224k 100%
27506 Buies Creek 1,056 3,854 – – 100%
28368 Olivia 50 145 – – 100%

Partly in Harnett County

Residential ZIP codes mainly in another county that reach at least 1% into Harnett County, by their share here
In this county
28334 Dunn 22,873 143 $53k $176k 37%
27332 Sanford 36,947 345 $78k $256k 36%
28356 Linden 6,579 119 $72k $225k 21%
27540 Holly Springs 47,771 995 $129k $523k 20%
27504 Benson 17,079 190 $67k $246k 3%
27330 Sanford 39,778 189 $61k $243k 2%

Download the 20 ZIP codes as CSV

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?

11 ZIP codes of Harnett County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Harnett County and in the neighboring counties
ZIPIn HarnettElsewhere
2752660%Wake County 40%
2754020%Wake County 72%; Chatham County 8%
273302%Lee County 83%; Chatham County 8%; Moore County 6%
2733236%Lee County 64%
2832657%Moore County 36%; Lee County 7%
2750162%Johnston County 37%
2839052%Cumberland County 48%
2833437%Sampson County 47%; Cumberland County 8%; Johnston County 8%
275043%Johnston County 97%
2750596%Lee County 4%
2835621%Cumberland County 79%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

PO Box and single-organization ZIP codes

ZIP codes in Harnett County without a residential area (GeoNames postal codes)
ZIPPostal name
27543Kipling
27552Mamers
28335Dunn

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Harnett County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Harnett County's ZIP codes use 3 prefixes: 273, 275 and 283.

Three-digit prefixes of Harnett County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Harnett County's
PrefixSectional centerHereAll codes
273 Greensboro, NC (SCF 270) 2 42
275 Raleigh, NC (SCF 275) 10 80
283 Fayetteville, NC (SCF 283) 8 86

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.