Area Code 513-543 located in DAYTON, MONTGOMERY, OH, more detail is as below. Place NPA (Numbering Plan Area) : 513 NXX (Local Number Prefix) : 543 City : DAYTON County : MONTGOMERY State : OH (Ohio) NXX Use Type : Wireless NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 39113 LATA (Local Access Transport Area) : 922 Rate Center : CINCINNATI ZIP Code Count : 1 ZIP Code Frequency : 25 ZIP Code : 45419 Other Information NPANXX : 513543 Switch CLLI (Common Language Location Identifier) : CNCNOHSM1MD 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 : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH OCN (Operating Company Number) : 6025 Coverage Area Name : CINCINNATI Latitude : 39.1005 Longitude : -84.5155 ‹ previous : 513-543 next › : 513-543 Telephone Number List 513-543-0000 ~ 513-543-9999