Area Code 603-715 located in BOW, MERRIMACK, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 715 City : BOW County : MERRIMACK State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1999-10-13 FIPS (Federal Information Processing Standards) : 33013 LATA (Local Access Transport Area) : 122 Rate Center : CONCORD ZIP Code Count : 37 ZIP Code Frequency : 21 ZIP Code : 03304 Other Information NPANXX : 603715 County Population : 0 Switch CLLI (Common Language Location Identifier) : MNCHNHIEW01 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 : CONCORD Latitude : 43.2007 Longitude : -71.5348 ‹ previous : 603-714 next › : 603-715 Telephone Number List 603-715-0000 ~ 603-715-9999