Area Code 603-547 located in GREENFIELD, HILLSBOROUGH, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 547 City : GREENFIELD County : HILLSBOROUGH State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 33011 LATA (Local Access Transport Area) : 122 Rate Center : GREENFIELD ZIP Code Count : 628 ZIP Code Frequency : 52 ZIP Code : 03047 Other Information NPANXX : 603547 County Population : 0 Switch CLLI (Common Language Location Identifier) : GNFDNHMARS1 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 : NO NEW ENGLAND TEL OP DBA FAIRPOINT COMM - NH OCN (Operating Company Number) : 5113 Coverage Area Name : GREENFIELD Latitude : 42.9517 Longitude : -71.8694 ‹ previous : 603-547 next › : 603-548 Telephone Number List 603-547-0000 ~ 603-547-9999