Area Code 740-733 located in ADENA, JEFFERSON, OH, more detail is as below. Place NPA (Numbering Plan Area) : 740 NXX (Local Number Prefix) : 733 City : ADENA County : JEFFERSON State : OH (Ohio) NXX Use Type : Landline NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 39081 LATA (Local Access Transport Area) : 324 Rate Center : SMITHFIELD ZIP Code Count : 38 ZIP Code Frequency : 4 ZIP Code : 43901 Other Information NPANXX : 740733 Switch CLLI (Common Language Location Identifier) : SMFDOHXARS0 MSA CBSA (Core Based Statistical Area) : Steubenville-Weirton, OH-WV MSA CBSA Code (Core Based Statistical Area) : 44600 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : FRONTIER NORTH, INC. - OH OCN (Operating Company Number) : 0615 Coverage Area Name : ADENA Latitude : 40.2680 Longitude : -80.7827 ‹ previous : 740-733 next › : 740-733 Telephone Number List 740-733-0000 ~ 740-733-9999