Area Code 631-800 located in WATER MILL, SUFFOLK, NY, more detail is as below. Place NPA (Numbering Plan Area) : 631 NXX (Local Number Prefix) : 800 City : WATER MILL County : SUFFOLK State : NY (New York) NXX Use Type : Landline NXX Intro Version : 4/13/2012 FIPS (Federal Information Processing Standards) : 36103 LATA (Local Access Transport Area) : 132 Rate Center : SOUTHAMPTN ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 11976 Other Information NPANXX : 631800 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 : TELCENTRIS COMMUNICATIONS, LLC - NY OCN (Operating Company Number) : 596G Coverage Area Name : SOUTHAMPTON Latitude : 40.8841 Longitude : -72.3925 ‹ previous : 631-799 next › : 631-801 Telephone Number List 631-800-0000 ~ 631-800-9999