Area Code 603-904 located in WALPOLE, CHESHIRE, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 904 City : WALPOLE County : CHESHIRE State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 2006-02-16 FIPS (Federal Information Processing Standards) : 33005 LATA (Local Access Transport Area) : 122 Rate Center : WALPOLE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 03608 Other Information NPANXX : 603904 County Population : 0 Switch CLLI (Common Language Location Identifier) : MNCHNHFWDS2 MSA CBSA (Core Based Statistical Area) : Keene, NH MSA CBSA Code (Core Based Statistical Area) : 28300 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : OTEL TELEKOM, INC. - NH OCN (Operating Company Number) : 9827 Coverage Area Name : WALPOLE Latitude : 43.0802 Longitude : -72.4247 ‹ previous : 603-903 next › : 603-905 Telephone Number List 603-904-0000 ~ 603-904-9999