In December, 2013 the Public Utilities Fee of Ohio permitted a brand new space code (220) because the aid methodology for the present 740 space code, serving the southeastern a part of Ohio with cities resembling Cambridge, Jackson, Lancaster, Portsmouth and so forth. The brand new NPA will cowl the very same space and can change into lively on April 22, 2015.
The introduction of the brand new space code will set off a brand new requirement for calls inside this space: 10 digit dialing for all native calls. A permissive dialing interval, throughout which each 7 and 10 digits could also be used, began on September 20, 2014 and can finish on March 21, 2015 when 10 digit dialing turns into necessary.
See official NANPA planning letter (PDF doc).
Go to area code 220 web page for a listing of cities served, map and different data.