Ohio Area Code Information

Ohio Area Codes


Ohio Area Code Overlays
(740 and 220) - (330 and 234)
(614 and 380) - (419 and 567)


Ohio is currently using eleven area codes. Ohio utilizes three area code overlay plans, often called overlay complexes. Ohio currently has two area codes, 283 and 380, which are assigned to provide numbering relief but are not yet in service.

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.

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.





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.

not in service
Area code 283 is proposed as an overlay of area code 513 but is not yet in service and it status is considered suspended.






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