Area Code 603-369 located in MIRROR LAKE, CARROLL, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 369 City : MIRROR LAKE County : CARROLL State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1998-05-18 FIPS (Federal Information Processing Standards) : 33003 LATA (Local Access Transport Area) : 122 Rate Center : CONCORD ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 03853 Other Information NPANXX : 603369 County Population : 0 Switch CLLI (Common Language Location Identifier) : MNCHNHNIDS0 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : LEVEL 3 COMMUNICATIONS - NH OCN (Operating Company Number) : 4017 Coverage Area Name : CONCORD Latitude : 43.2007 Longitude : -71.5348 ‹ previous : 603-368 next › : 603-370 Telephone Number List 603-369-0000 ~ 603-369-9999