Area Code 603-643 located in WEST LEBANON, GRAFTON, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 643 City : WEST LEBANON 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 : HANOVER ZIP Code Count : 329 ZIP Code Frequency : 8 ZIP Code : 03784 Other Information NPANXX : 603643 County Population : 0 Switch CLLI (Common Language Location Identifier) : HNVRNHSCDS0 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 : HANOVER Latitude : 43.7021 Longitude : -72.2922 ‹ previous : 603-643 next › : 603-643 Telephone Number List 603-643-0000 ~ 603-643-9999