Area Code 315-686 located in CLAYTON, JEFFERSON, NY, more detail is as below. Place NPA (Numbering Plan Area) : 315 NXX (Local Number Prefix) : 686 City : CLAYTON County : JEFFERSON State : NY (New York) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 36045 LATA (Local Access Transport Area) : 136 Rate Center : CLAYTON ZIP Code Count : 1832 ZIP Code Frequency : 84 ZIP Code : 13624 Other Information NPANXX : 315686 County Population : 0 Switch CLLI (Common Language Location Identifier) : CYTNNYZYRS0 MSA CBSA (Core Based Statistical Area) : Watertown-Fort Drum, NY MSA CBSA Code (Core Based Statistical Area) : 48060 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : VERIZON NEW YORK, INC. OCN (Operating Company Number) : 9104 Coverage Area Name : CLAYTON Latitude : 44.2396 Longitude : -76.0870 ‹ previous : 315-686 next › : 315-687 Telephone Number List 315-686-0000 ~ 315-686-9999