Orange County ZIP Codes

Orange County is a county of North Carolina.

ZIP codes: 9
Cities & towns: 5
Area codes: 4
Land area: 398 sq mi

Every ZIP code in Orange County

272xx–275xx

The complete list of Orange County, NC ZIP codes with the city each one delivers to.
ZIP code	City
27231	Cedar Grove
27243	Efland
27278	Hillsborough
27510	Carrboro
27514	Chapel Hill
27515	Chapel Hill
27516	Chapel Hill
27517	Chapel Hill
27599	Chapel Hill

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Orange County codes above are listed without a column we would have to invent.

Cities and towns in Orange County

A further 2 places in Orange County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.

Area codes covering Orange County

Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.

Where Orange County's ZIP codes sit

Each point is the reference point of one Orange County ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope every ZIP code recorded in Orange County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated 16 July 2026. The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.