North American Numbers Source-cited · ownership disclosed
Area code
270
In service
United States · since 1999

Western Kentucky

Created in 1999 by splitting from 502, area code 270 serves western Kentucky and the western half of south-central Kentucky. Since 2014 it has been overlaid by area code 364.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
Western Kentucky
Type
geographic
Status
in service
In service since
1999
Projected exhaust
2109 Q3

Status, dates and counts are read from NumberResearch (NANPA / CNAC / FCC records). Assignment records show initial assignees, not the carrier serving a number today.

A · Where it is

Where 270 is

Western Kentucky and the western half of south-central Kentucky; the 1999 split generally followed the Eastern/Central time-zone boundary..

Communities served wholly or partly by 270:

Bowling GreenOwensboroPaducahHendersonHopkinsvilleElizabethtownMadisonvilleMurray
B · Relationships

How it relates to other codes

The codes 270 was split from, spawned, or shares its area with. A split divides the map and changes some numbers; an overlay shares the same ground and changes none — what's the difference?

Split from · 1999 502 Louisville / Frankfort Split from 502 in 1999.
Overlay · 2014 364 Western Kentucky (overlay) Overlaid by 364 since March 3, 2014; both cover the identical geography.
Related · 1999 606 Eastern Kentucky Adjacent to the east.
What's changing. Overlaid by 364 (in service since March 3, 2014); both codes cover the same territory and require ten-digit dialing.
C · History

How 270 got here

1999
Established via split from 502 for western Kentucky, generally along the Eastern/Central time-zone line.
Source: Wikipedia
2014-03-03
Area code 364 entered service as an overlay of 270; ten-digit dialing required.
Source: Wikipedia
D · Capacity

How full it is

Prefixes assigned
783
Prefixes available
17
Thousands-blocks assigned
2,877

Prefix-assignment counts describe allocation to carriers, not how many individual numbers are in use. Full technical records: NumberResearch ↗.

Compare 270 with another code →
Sources
Wikipedia ↗
Area codes 270 and 364
NumberResearch.org ↗
Live status, dates, assignment counts and exhaust forecast — data as of 2026-09-18 (CC BY 4.0).

Place, relationships and history above are compiled by North American Numbers from the sources listed and last checked 2026-09-18. A check date is not an expert review — see how this is made. Flag an error.