Area Code 603-730 located in GLEN, CARROLL, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 730 City : GLEN County : CARROLL State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1998-08-14 FIPS (Federal Information Processing Standards) : 33003 LATA (Local Access Transport Area) : 122 Rate Center : NO CONWAY ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 03838 Other Information NPANXX : 603730 County Population : 0 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : BROOKS FIBER COMMUNICATIONS OF NEW HAMPSHIRE - NH OCN (Operating Company Number) : 7778 Coverage Area Name : NORTH CONWAY Latitude : 44.0528 Longitude : -71.1251 ‹ previous : 603-729 next › : 603-730 Telephone Number List 603-730-0000 ~ 603-730-9999