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County ZIP codes · North Carolina · FIPS 37135

Orange County, NC ZIP Codes

Orange County, North Carolina has 16 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 15 residential and 1 for PO boxes or a single organization. 7 of the residential ones lie mainly in Orange County and 8 mainly in a neighboring county; 11 cross the county line. Median household income ranges from $61,837 in 27510 (Carrboro) to $128,683 in 27517 (Chapel Hill) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Orange County?

27231 · Cedar Grove: $65k27243 · Efland: $84k27278 · Hillsborough: $106k27302 · Mebane: $80k27510 · Carrboro: $62k27514 · Chapel Hill: $93k27516 · Chapel Hill: $106k27517 · Chapel Hill: $129k27541 · Hurdle Mills: $75k27572 · Rougemont: $91k27583 · Timberlake: $72k27599 · Chapel Hill: –27705 · Durham: $73k27707 · Durham: $74k27712 · Durham: $91k2730227278275722751627541275832751727243277052771227231277072751427231 · Cedar Grove: $65k27243 · Efland: $84k27278 · Hillsborough: $106k27302 · Mebane: $80k27510 · Carrboro: $62k27514 · Chapel Hill: $93k27516 · Chapel Hill: $106k27517 · Chapel Hill: $129k27541 · Hurdle Mills: $75k27572 · Rougemont: $91k27583 · Timberlake: $72k27599 · Chapel Hill: –27705 · Durham: $73k27707 · Durham: $74k27712 · Durham: $91k2730227278275722751627541275832751727243277052771227231277072751427231 · Cedar Grove: $65k27243 · Efland: $84k27278 · Hillsborough: $106k27302 · Mebane: $80k27510 · Carrboro: $62k27514 · Chapel Hill: $93k27516 · Chapel Hill: $106k27517 · Chapel Hill: $129k27541 · Hurdle Mills: $75k27572 · Rougemont: $91k27583 · Timberlake: $72k27599 · Chapel Hill: –27705 · Durham: $73k27707 · Durham: $74k27712 · Durham: $91k273022727827572275162754127583275172724327705277122723127707
The residential ZIP codes of Orange 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 $73,066 and $92,875.

They carry 10 postal town names.

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

All 15 residential ZIP codes in Orange County

7 ZIP codes lie mainly in Orange County; 8 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Orange County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
27516 Chapel Hill 47,358 507 $106k $567k 83%
27514 Chapel Hill 32,951 1,680 $93k $664k 100%
27278 Hillsborough 27,925 269 $106k $414k 96%
27510 Carrboro 13,868 4,336 $62k $450k 100%
27243 Efland 5,677 141 $84k $299k 100%
27231 Cedar Grove 2,331 66 $65k $249k 97%
27599 Chapel Hill no residents 0 – – 100%

Partly in Orange County

Residential ZIP codes mainly in another county that reach at least 1% into Orange County, by their share here
In this county
27705 Durham 49,923 1,187 $73k $455k 47%
27302 Mebane 35,418 309 $80k $312k 36%
27541 Hurdle Mills 3,399 49 $75k $237k 32%
27572 Rougemont 6,131 58 $91k $272k 24%
27517 Chapel Hill 29,564 643 $129k $608k 23%
27707 Durham 51,274 2,477 $74k $408k 9%
27583 Timberlake 7,242 147 $72k $280k 3%
27712 Durham 24,299 728 $91k $373k 2%

Download the 16 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 Orange County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Orange County and in the neighboring counties
ZIPIn OrangeElsewhere
277079%Durham County 91%
2770547%Durham County 53%
2751683%Chatham County 17%
2730236%Alamance County 40%; Caswell County 23%
2751723%Chatham County 58%; Durham County 19%
2727896%Durham County 4%
277122%Durham County 98%
275833%Person County 96%; Durham County 1%
2757224%Person County 36%; Durham County 24%; Granville County 16%
2754132%Person County 68%
2723197%Caswell County 2%; Person County 1%

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

PO Box and single-organization ZIP codes

ZIP codes in Orange County without a residential area (GeoNames postal codes)
ZIPPostal name
27515Chapel Hill

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Orange County's ZIP codes use 4 prefixes: 272, 273, 275 and 277.

Three-digit prefixes of Orange 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 Orange County's
PrefixSectional centerHereAll codes
272 Greensboro, NC (SCF 270) 3 55
273 Greensboro, NC (SCF 270) 1 42
275 Raleigh, NC (SCF 275) 9 80
277 Raleigh, NC (SCF 275) 3 16

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