Area Code 603-263 located in MANCHESTER, HILLSBOROUGH, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 263 City : MANCHESTER County : HILLSBOROUGH State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 33011 LATA (Local Access Transport Area) : 122 Rate Center : MANCHESTER ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 03101 Other Information NPANXX : 603263 County Population : 0 MSA CBSA (Core Based Statistical Area) : Manchester-Nashua, NH MSA CBSA Code (Core Based Statistical Area) : 31700 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : BROOKS FIBER COMMUNICATIONS OF NEW HAMPSHIRE - NH OCN (Operating Company Number) : 7778 Coverage Area Name : MANCHESTER Latitude : 42.9935 Longitude : -71.4608 ‹ previous : 603-262 next › : 603-264 Telephone Number List 603-263-0000 ~ 603-263-9999