ZIP Code 28368

28368 is one of North Carolina's ZIP codes, delivering to addresses in Olivia, Harnett County.

City: Olivia
County: Harnett County
State: North Carolina
Prefix: 283xx

Where this code sits

28368 is part of the 283xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Olivia.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 28368 delivers to without sharing its boundary.

ZIP codes nearest 28368

The ZIP codes whose reference points sit closest to 28368.
ZIP code	Distance	Delivers to
ZIP code 28355	5.2 mi	Lemon Springs, NC
ZIP code 27505	5.5 mi	Broadway, NC
ZIP code 27332	6.2 mi	Sanford, NC
ZIP code 27237	8.1 mi	Cumnock, NC
ZIP code 27330	8.4 mi	Sanford, NC
ZIP code 27331	9.2 mi	Sanford, NC
ZIP code 27552	11 mi	Mamers, NC
ZIP code 27546	11 mi	Lillington, NC

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 28368, plotted from its record coordinates.

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

Scope ZIP code 28368. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.