Area Code 937-393 located in HILLSBORO, HIGHLAND, OH, more detail is as below. Place NPA (Numbering Plan Area) : 937 NXX (Local Number Prefix) : 393 City : HILLSBORO County : HIGHLAND State : OH (Ohio) NXX Use Type : Landline NXX Intro Version : 1996-10-15 FIPS (Federal Information Processing Standards) : 39071 LATA (Local Access Transport Area) : 328 Rate Center : HILLSBORO ZIP Code Count : 4505 ZIP Code Frequency : 98 ZIP Code : 45133 Other Information NPANXX : 937393 Switch CLLI (Common Language Location Identifier) : HLBOOH3939A Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : AMERITECH OHIO OCN (Operating Company Number) : 9321 Coverage Area Name : HILLSBORO Latitude : 39.2030 Longitude : -83.6128 ‹ previous : 937-393 next › : 937-394 Telephone Number List 937-393-0000 ~ 937-393-9999