Area Code 603-763 located in NEWBURY, MERRIMACK, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 763 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 : SUNAPEE ZIP Code Count : 1002 ZIP Code Frequency : 25 ZIP Code : 03255 Other Information NPANXX : 603763 County Population : 0 Switch CLLI (Common Language Location Identifier) : SUNPNHMCRS1 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 : NO NEW ENGLAND TEL OP DBA FAIRPOINT COMM - NH OCN (Operating Company Number) : 5113 Coverage Area Name : SUNAPEE Latitude : 43.3834 Longitude : -72.0816 ‹ previous : 603-762 next › : 603-763 Telephone Number List 603-763-0000 ~ 603-763-9999