Area Code 631-200 located in SAYVILLE, SUFFOLK, NY, more detail is as below. Place NPA (Numbering Plan Area) : 631 NXX (Local Number Prefix) : 200 City : SAYVILLE County : SUFFOLK State : NY (New York) NXX Use Type : Landline NXX Intro Version : 2004-05-02 FIPS (Federal Information Processing Standards) : 36103 LATA (Local Access Transport Area) : 132 Rate Center : BAYPORT ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 11782 Other Information NPANXX : 631200 Switch CLLI (Common Language Location Identifier) : DRPKNYDP6MD 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 : MCIMETRO ACCESS TRANSMISSION SERVICES LLC OCN (Operating Company Number) : 7229 Coverage Area Name : BAYPORT Latitude : 40.7373 Longitude : -73.0490 ‹ previous : 630-999 next › : 631-200 Telephone Number List 631-200-0000 ~ 631-200-9999