Area Code 603-479 located in HUDSON, HILLSBOROUGH, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 479 City : HUDSON County : HILLSBOROUGH State : NH (New Hampshire) NXX Use Type : Wireless NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 33011 LATA (Local Access Transport Area) : 122 Rate Center : DERRY ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 03051 Other Information NPANXX : 603479 County Population : 0 Switch CLLI (Common Language Location Identifier) : DRRYNHBCCM1 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 : NEW CINGULAR WIRELESS PCS, LLC - DC OCN (Operating Company Number) : 4036 Coverage Area Name : DERRY Latitude : 42.8816 Longitude : -71.3203 ‹ previous : 603-478 next › : 603-480 Telephone Number List 603-479-0000 ~ 603-479-9999