Area Code 631-345 located in RIDGE, SUFFOLK, NY, more detail is as below. Place NPA (Numbering Plan Area) : 631 NXX (Local Number Prefix) : 345 City : RIDGE County : SUFFOLK State : NY (New York) NXX Use Type : Landline NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 36103 LATA (Local Access Transport Area) : 132 Rate Center : YAPHANK ZIP Code Count : 294 ZIP Code Frequency : 18 ZIP Code : 11961 Other Information NPANXX : 631345 Switch CLLI (Common Language Location Identifier) : YPHNNYYADS0 MSA CBSA (Core Based Statistical Area) : New York-Northern New Jersey-Long Island, NY-NJ-PA MSA CBSA Code (Core Based Statistical Area) : 35620 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : VERIZON NEW YORK, INC. OCN (Operating Company Number) : 9104 Coverage Area Name : YAPHANK Latitude : 40.8129 Longitude : -72.9714 ‹ previous : 631-344 next › : 631-345 Telephone Number List 631-345-0000 ~ 631-345-9999