North American Numbers Source-cited · ownership disclosed
Area code
614
In service
United States · since 1947

Columbus

One of Ohio's four original 1947 area codes, now covering Columbus and central Ohio after the southeastern portion split off to 740 in 1997.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
Columbus
Type
geographic
Status
in service
In service since
1947
Projected exhaust
2066 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 614 is

Central Ohio (Columbus and Franklin County, with parts of Delaware, Fairfield, Union).

Communities served wholly or partly by 614:

ColumbusDublinWesterville

Representative; core is Franklin County plus portions of adjacent counties.

B · Relationships

How it relates to other codes

The codes 614 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?

Spawned · 1997 740 Central/Southeastern Ohio Southeastern/southern portion split off as 740 (established Nov 8, 1997; dialing transition into 1998).
Overlay · 2016 380 Columbus (overlay) 380 overlays the 614 area.
What's changing. Overlaid by 380 since January 30, 2016; ten-digit dialing required.
C · History

How 614 got here

1947
Established as an original NANP area code for the southeastern quadrant (Columbus to the West Virginia border).
Source: Wikipedia: Area codes 614 and 380
1997
Nearly all of the southern territory split into new area code 740, reducing 614 to the Columbus area.
Source: Wikipedia: Area codes 740 and 220
2016-01-30
Overlaid by area code 380; ten-digit dialing required.
Source: Wikipedia: Area codes 614 and 380
D · Capacity

How full it is

Prefixes assigned
797
Prefixes available
3
Thousands-blocks assigned
3,419

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

Compare 614 with another code →
Sources
Wikipedia ↗
Area codes 614 and 380
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.