Area Code 315-904 located in WILLIAMSON, WAYNE, NY, more detail is as below. Place NPA (Numbering Plan Area) : 315 NXX (Local Number Prefix) : 904 City : WILLIAMSON County : WAYNE State : NY (New York) NXX Use Type : Landline NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 36117 LATA (Local Access Transport Area) : 136 Rate Center : WILLIAMSON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 14589 Other Information NPANXX : 315904 County Population : 0 Switch CLLI (Common Language Location Identifier) : SYRCNYSWDS0 MSA CBSA (Core Based Statistical Area) : Rochester, NY MSA CBSA Code (Core Based Statistical Area) : 40380 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : TELEPORT COMMUNICATIONS GROUP - NY OCN (Operating Company Number) : 7140 Coverage Area Name : WILLIAMSON Latitude : 43.2237 Longitude : -77.1871 ‹ previous : 315-903 next › : 315-905 Telephone Number List 315-904-0000 ~ 315-904-9999