table: [['new area code', 'where', 'affected area codes', 'format', 'effective date'], ['227', 'maryland', '240 , 301', 'overlay', 'none'], ['274', 'wisconsin', '920', 'overlay', 'none'], ['346', 'texas', '281 , 713 , 832', 'overlay', 'july 1 , 2014'], ['364', 'kentucky', '270', 'overlay', 'march 3 , 2014'], ['447', 'illinois', '217', 'overlay', 'none'], ['464', 'illinois', '708', 'overlay', 'none'], ['628', 'california', '415', 'overlay', 'none'], ['629', 'tennessee', '615', 'overlay', 'none'], ['659', 'alabama', '205', 'overlay', 'none'], ['679', 'michigan', '313', 'overlay', 'none'], ['725', 'nevada', '702', 'overlay', 'june 3 , 2014'], ['730', 'illinois', '618', 'overlay', 'none'], ['782', 'nova scotia and prince edward island', '902', 'overlay', 'november 30 , 2014'], ['825', 'alberta', '403 , 587 , 780', 'overlay', 'april 9 , 2016'], ['844', 'toll - free', '800888877866855', 'overlay', 'december 7 , 2013'], ['930', 'indiana', '812', 'overlay', 'october 6 , 2014'], ['959', 'connecticut', '860', 'overlay', 'august 30 , 2014']]
ref: New Area Code affecting Area Code 860 will happen before New Code affecting Area Code 812
template: [ENT] affecting [ENT] [ENT] will happen before [ENT] affecting [ENT] [ENT]