Area Code 603-708 located in CANTERBURY, MERRIMACK, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 708 City : CANTERBURY County : MERRIMACK State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 2005-06-25 FIPS (Federal Information Processing Standards) : 33013 LATA (Local Access Transport Area) : 122 Rate Center : CANTERBURY ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 03224 Other Information NPANXX : 603708 County Population : 0 Switch CLLI (Common Language Location Identifier) : MNCHNHIEW02 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 : COMCAST PHONE OF NEW HAMPSHIRE, LLC - NH OCN (Operating Company Number) : 4112 Coverage Area Name : CANTERBURY Latitude : 43.3340 Longitude : -71.5628 ‹ previous : 603-707 next › : 603-709 Telephone Number List 603-708-0000 ~ 603-708-9999