Area Code 937-678 located in NEW MADISON, DARKE, OH, more detail is as below. Place NPA (Numbering Plan Area) : 937 NXX (Local Number Prefix) : 678 City : NEW MADISON County : DARKE State : OH (Ohio) NXX Use Type : Landline NXX Intro Version : 1996-10-15 FIPS (Federal Information Processing Standards) : 39037 LATA (Local Access Transport Area) : 328 Rate Center : WMANCHESTR ZIP Code Count : 36 ZIP Code Frequency : 5 ZIP Code : 45346 Other Information NPANXX : 937678 Switch CLLI (Common Language Location Identifier) : WMCHOHXARS1 MSA CBSA (Core Based Statistical Area) : Greenville, OH MSA CBSA Code (Core Based Statistical Area) : 24820 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : UNITED TEL. CO. OF OHIO - CENTURYLINK OCN (Operating Company Number) : 0661 Coverage Area Name : W MANCHESTER Latitude : 39.9057 Longitude : -84.6291 ‹ previous : 937-678 next › : 937-678 Telephone Number List 937-678-0000 ~ 937-678-9999