Area Code 603-938 located in NEWBURY, MERRIMACK, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 938 City : NEWBURY County : MERRIMACK State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 33013 LATA (Local Access Transport Area) : 122 Rate Center : BRADFORD ZIP Code Count : 168 ZIP Code Frequency : 12 ZIP Code : 03255 Other Information NPANXX : 603938 County Population : 0 Switch CLLI (Common Language Location Identifier) : BRFRNHXARS1 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 : MERRIMACK COUNTY TELEPHONE CO. OCN (Operating Company Number) : 0047 Coverage Area Name : WARNER Latitude : 43.2708 Longitude : -71.9570 ‹ previous : 603-937 next › : 603-938 Telephone Number List 603-938-0000 ~ 603-938-9999