Kentucky Area Codes

Area codes: 5
ZIP codes: 946
Cities & towns: 785
Counties: 120

Every area code in Kentucky

All Kentucky area codes, what each primarily serves, and which share ground with another.
Area code	Primarily serves	Shares ground with	In service
270	Bowling Green	364	1999
364	Bowling Green	270	2014
502	Georgetown	no overlay	1947
606	Ashland	no overlay	1955
859	Covington	no overlay	2000

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

Which codes share the same ground

Kentucky 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.

270 364

502, 606 and 859 have no overlay: each is the only code serving its own territory.

Where Kentucky's communities sit

Each point is a Kentucky 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 Kentucky cities and their codes

largest 25

Scope every area code assigned to Kentucky. 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.