Ohio Area Code Information

Ohio Area Codes


Ohio Area Code Overlays
(283 and 513) - (234 and 330)
(419 and 567) - (436 and 440)
(614 and 380) - (740 and 220)
(937 and 326)

Ohio is currently using fifteen area codes. Ohio utilizes seven area code overlay plans, often called overlay complexes.

Ohio originally had four area codes when the numbering system was established in 1947. These four area codes were sufficient for forty-nine years until 1996 when two additional area codes were put into service and then two more put into service in 1997. All four of the area codes established in 1996 and 1997 were the result of area code splits. Two more area codes were established as area code overlays, area code 234 in 2000 and area code 567 in 2002. Area code 436 was put into service as an overlay of area code 440 effective March 1, 2024.

Changes and History of Ohio Area Codes:

01/01/1947
Area code 216 was put into service. In 1996 area code 216 was split to form area codes 330 and 440.

01/01/1947
Area code 419 was put into service. In 2002 area code 419 was overlaid with area code 567. In 2002 area code 419 was overlaid with area code 567.

01/01/1947
Area code 513 was put into service. In 1996 area code 513 was split to form area code 937.

Ohio Area Code Map


01/01/1947
Area code 614 was put into service. In 1997 area code 614 was split to form area code 740.

03/09/1996
Area code 330 was put into service. Area code 330 was created from a split of area code 216. In 2000 area code 330 was overlaid with area code 234.

09/28/1996
Area code 937 was put into service. Area code 937 was created from a split of area code 513.

08/16/1997
Area code 440 was put into service. Area code 440 was created from a split of area code 216.

12/06/1997
Area code 740 was put into service. Area code 740 was created from a split of area code 614.

10/30/2000
Area code 234 was put into service. Area code 234 is an overlay of area code 330.

01/01/2002
Area code 567 was put into service. Area code 567 is an overlay of area code 419.

04/22/2015
Area code 220 was put into service as an overlay of area code 740.

02/27/2016
Area code 380 was put into service as an overlay of area code 614.

03/08/2020
Area code 326 was put into service as an overlay of area code 937.

04/28/2023
Area code 283 was put into service as an overlay of area code 513.

03/01/2024
Area code 436 was put into service as an overlay of area code 440.