Area Code 937-999 located in DAYTON, MONTGOMERY, OH, more detail is as below. Place NPA (Numbering Plan Area) : 937 NXX (Local Number Prefix) : 999 City : DAYTON County : MONTGOMERY State : OH (Ohio) NXX Use Type : Landline NXX Intro Version : 12/17/2010 FIPS (Federal Information Processing Standards) : 39113 LATA (Local Access Transport Area) : 328 Rate Center : DAYTON ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 45423 Other Information NPANXX : 937999 MSA CBSA (Core Based Statistical Area) : Dayton, OH MSA CBSA Code (Core Based Statistical Area) : 19380 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CINCINNATI BELL ANY DISTANCE INC. - OH OCN (Operating Company Number) : 600F Coverage Area Name : DAYTON Latitude : 39.7626 Longitude : -84.1998 ‹ previous : 937-997 next › : 938-223 Telephone Number List 937-999-0000 ~ 937-999-9999