Area Code 603-776 located in CENTER BARNSTEAD, BELKNAP, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 776 City : CENTER BARNSTEAD County : BELKNAP State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 33001 LATA (Local Access Transport Area) : 122 Rate Center : BARNSTEAD ZIP Code Count : 1014 ZIP Code Frequency : 74 ZIP Code : 03225 Other Information NPANXX : 603776 County Population : 0 Switch CLLI (Common Language Location Identifier) : BRNSNHXADS0 MSA CBSA (Core Based Statistical Area) : Laconia, NH MSA CBSA Code (Core Based Statistical Area) : 29060 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : UNION TELEPHONE CO. - NH OCN (Operating Company Number) : 0049 Coverage Area Name : NEW DURHAM Latitude : 43.3698 Longitude : -71.2134 ‹ previous : 603-776 next › : 603-777 Telephone Number List 603-776-0000 ~ 603-776-9999