Area code
740
In service
United States · since 1997

Central/Southeastern Ohio

Serves central and southeastern Ohio, the state's largest area code by geographic size. Created in 1997 by splitting from Columbus's 614.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
Central/Southeastern Ohio
Type
geographic
Status
in service
In service since
1997
Projected exhaust
2059 Q2

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 740 is

Central and southeastern Ohio (largely rural; ring around and southeast of Columbus).

Communities served wholly or partly by 740:

NewarkZanesvilleChillicotheAthensMariettaLancaster

Representative; the NPA is Ohio's largest by area and relatively low in population.

B · Relationships

How it relates to other codes

The codes 740 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 · 1997 614 Columbus Split from 614 (Columbus).
Overlay · 2015 220 Central/Southeastern Ohio (overlay) 220 overlays the 740 area.
What's changing. Overlaid by 220 since April 22, 2015; ten-digit dialing required.
C · History

How 740 got here

1997-11-08
Created via split of 614, taking most of the southern/southeastern territory.
Source: Wikipedia: Area codes 740 and 220
2015-04-22
Overlaid by area code 220; ten-digit dialing required.
Source: Wikipedia: Area codes 740 and 220
D · Capacity

How full it is

Prefixes assigned
800
Prefixes available
0
Thousands-blocks assigned
4,008

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

Compare 740 with another code →
Sources
Wikipedia ↗
Area codes 740 and 220
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.