Area Code 603-734 located in EPPING, ROCKINGHAM, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 734 City : EPPING County : ROCKINGHAM State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1998-08-14 FIPS (Federal Information Processing Standards) : 33015 LATA (Local Access Transport Area) : 122 Rate Center : EPPING ZIP Code Count : 46 ZIP Code Frequency : 51 ZIP Code : 03042 Other Information NPANXX : 603734 County Population : 0 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 : BROOKS FIBER COMMUNICATIONS OF NEW HAMPSHIRE - NH OCN (Operating Company Number) : 7778 Coverage Area Name : EPPING Latitude : 43.0352 Longitude : -71.0741 ‹ previous : 603-734 next › : 603-735 Telephone Number List 603-734-0000 ~ 603-734-9999