Area Code 603-280 located in BARRINGTON, STRAFFORD, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 280 City : BARRINGTON County : STRAFFORD State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1998-08-14 FIPS (Federal Information Processing Standards) : 33017 LATA (Local Access Transport Area) : 122 Rate Center : BARRINGTON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 03825 Other Information NPANXX : 603280 County Population : 0 Switch CLLI (Common Language Location Identifier) : MNCHNHNI2MD MSA CBSA (Core Based Statistical Area) : Boston-Cambridge-Quincy, MA-NH MSA CBSA Code (Core Based Statistical Area) : 14460 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : LEVEL 3 COMMUNICATIONS - NH OCN (Operating Company Number) : 4017 Coverage Area Name : BARRINGTON Latitude : 43.2213 Longitude : -71.0411 ‹ previous : 603-279 next › : 603-281 Telephone Number List 603-280-0000 ~ 603-280-9999