Newark, OH is currently using one area code which is area code 740. Area Code 740 was created from a split of area code 614 and put into service on December 6, 1997.
In addition to Newark, OH area code 740 serves central and southeastern Ohio including the larger cities and communities of Athens, Chillicothe, Delaware, Lancaster, Marion, Mount Vernon, Newark, Portsmouth, Washington Court House and Zanesville in addition to many smaller communities within the service area.
Newark, OH is located in Licking County and observes the Eastern Time Zone. View our Times by Area Code tool.