Area Code 603-383 located in GLEN, CARROLL, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 383 City : GLEN 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 : JACKSON ZIP Code Count : 663 ZIP Code Frequency : 28 ZIP Code : 03838 Other Information NPANXX : 603383 County Population : 0 Switch CLLI (Common Language Location Identifier) : JCSNNHTHRS1 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 : JACKSON Latitude : 44.1396 Longitude : -71.1729 ‹ previous : 603-383 next › : 603-383 Telephone Number List 603-383-0000 ~ 603-383-9999