Nebraska Area Codes

Area codes: 3
ZIP codes: 620
Cities & towns: 528
Counties: 93

Every area code in Nebraska

All Nebraska area codes, what each primarily serves, and which share ground with another.
Area code	Primarily serves	Shares ground with	In service
308	Grand Island	no overlay	1955
402	Omaha	531	1947
531	Omaha	402	2011

A code in the “shares ground” column is an overlay: it covers the same territory rather than a different part of Nebraska, which is why local calls there are dialled as ten digits.

Which codes share the same ground

Nebraska has 1 group of codes that overlay one another: the codes inside a group cover the same territory rather than different parts of the state, so local calls there are dialled as ten digits.

402 531

308 has no overlay: it is the only code serving its territory.

Where Nebraska's communities sit

Each point is a Nebraska community, 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

Largest Nebraska cities and their codes

largest 25

Scope every area code assigned to Nebraska. Source LocalCallingGuide NPA list (2026-07 NPA list) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated 16 July 2026. Overlay relationships come from the numbering-plan authority; the city match is computed.