Area Code 603-459 located in NASHUA, HILLSBOROUGH, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 459 City : NASHUA County : HILLSBOROUGH State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1999-10-13 FIPS (Federal Information Processing Standards) : 33011 LATA (Local Access Transport Area) : 122 Rate Center : NASHUA ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 03063 Other Information NPANXX : 603459 County Population : 0 Switch CLLI (Common Language Location Identifier) : MNCHNHBRDS0 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 : LIGHTSHIP TELECOM, LLC - NH OCN (Operating Company Number) : 4286 Coverage Area Name : NASHUA Latitude : 42.7610 Longitude : -71.4634 ‹ previous : 603-458 next › : 603-460 Telephone Number List 603-459-0000 ~ 603-459-9999