Area Code 603-787 located in HAVERHILL, GRAFTON, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 787 City : HAVERHILL County : GRAFTON State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 33009 LATA (Local Access Transport Area) : 122 Rate Center : WOODSVILLE ZIP Code Count : 27 ZIP Code Frequency : 3 ZIP Code : 03765 Other Information NPANXX : 603787 County Population : 0 Switch CLLI (Common Language Location Identifier) : NHHLNHDMRS1 MSA CBSA (Core Based Statistical Area) : Lebanon, NH-VT MSA CBSA Code (Core Based Statistical Area) : 30100 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 : WOODSVILLE Latitude : 44.0918 Longitude : -72.0248 ‹ previous : 603-787 next › : 603-787 Telephone Number List 603-787-0000 ~ 603-787-9999