Area Code 603-476 located in MOULTONBOROUGH, CARROLL, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 476 City : MOULTONBOROUGH County : CARROLL State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 33003 LATA (Local Access Transport Area) : 122 Rate Center : CTRSANDWIH ZIP Code Count : 1187 ZIP Code Frequency : 100 ZIP Code : 03254 Other Information NPANXX : 603476 County Population : 0 Switch CLLI (Common Language Location Identifier) : MLBONHYARS1 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : NO NEW ENGLAND TEL OP DBA FAIRPOINT COMM - NH OCN (Operating Company Number) : 5113 Coverage Area Name : SOUTH TAMWORTH Latitude : 43.7455 Longitude : -71.3640 ‹ previous : 603-475 next › : 603-477 Telephone Number List 603-476-0000 ~ 603-476-9999