Area Code 603-925 located in PETERBOROUGH, HILLSBOROUGH, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 925 City : PETERBOROUGH County : HILLSBOROUGH State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1999-05-10 FIPS (Federal Information Processing Standards) : 33011 LATA (Local Access Transport Area) : 122 Rate Center : PETERBROGH ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 03458 Other Information NPANXX : 603925 County Population : 0 Switch CLLI (Common Language Location Identifier) : PTMONH07DS0 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 : FREEDOM RING COMMUNICATIONS, LLC OCN (Operating Company Number) : 8468 Coverage Area Name : PETERBOROUGH Latitude : 42.8808 Longitude : -71.9479 ‹ previous : 603-924 next › : 603-926 Telephone Number List 603-925-0000 ~ 603-925-9999