Area Code 603-759 located in HENNIKER, MERRIMACK, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 759 City : HENNIKER County : MERRIMACK State : NH (New Hampshire) NXX Use Type : Wireless NXX Intro Version : 1996-07-01 FIPS (Federal Information Processing Standards) : 33013 LATA (Local Access Transport Area) : 122 Rate Center : NASHUA ZIP Code Count : 1 ZIP Code Frequency : 50 ZIP Code : 03242 Other Information NPANXX : 603759 County Population : 0 Switch CLLI (Common Language Location Identifier) : HKSTNHECCM0 MSA CBSA (Core Based Statistical Area) : Concord, NH MSA CBSA Code (Core Based Statistical Area) : 18180 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : BELL ATLANTIC NYNEX MOBILE OCN (Operating Company Number) : 6386 Coverage Area Name : NASHUA Latitude : 42.7610 Longitude : -71.4634 ‹ previous : 603-758 next › : 603-759 Telephone Number List 603-759-0000 ~ 603-759-9999