Area Code 518-620 located in AMSTERDAM, MONTGOMERY, NY, more detail is as below. Place NPA (Numbering Plan Area) : 518 NXX (Local Number Prefix) : 620 City : AMSTERDAM County : MONTGOMERY State : NY (New York) NXX Use Type : Landline NXX Intro Version : 2000-10-31 FIPS (Federal Information Processing Standards) : 36057 LATA (Local Access Transport Area) : 134 Rate Center : AMSTERDAM ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 12010 Other Information NPANXX : 518620 County Population : 0 Switch CLLI (Common Language Location Identifier) : ALBYNY80DS0 MSA CBSA (Core Based Statistical Area) : Amsterdam, NY MSA CBSA Code (Core Based Statistical Area) : 11220 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CHOICE ONE COMMUNICATIONS, INC. - NY OCN (Operating Company Number) : 4107 Coverage Area Name : AMSTERDAM Latitude : 42.9376 Longitude : -74.1932 ‹ previous : 518-618 next › : 518-621 Telephone Number List 518-620-0000 ~ 518-620-9999