Area Code 518-661 located in MAYFIELD, FULTON, NY, more detail is as below. Place NPA (Numbering Plan Area) : 518 NXX (Local Number Prefix) : 661 City : MAYFIELD County : FULTON State : NY (New York) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 36035 LATA (Local Access Transport Area) : 134 Rate Center : MAYFIELD ZIP Code Count : 859 ZIP Code Frequency : 73 ZIP Code : 12117 Other Information NPANXX : 518661 County Population : 0 Switch CLLI (Common Language Location Identifier) : MYFDNYXARS0 MSA CBSA (Core Based Statistical Area) : Gloversville, NY MSA CBSA Code (Core Based Statistical Area) : 24100 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY OCN (Operating Company Number) : 0096 Coverage Area Name : MAYFIELD Latitude : 43.1054 Longitude : -74.2692 ‹ previous : 518-661 next › : 518-662 Telephone Number List 518-661-0000 ~ 518-661-9999