Area Code 603-232 located in MANCHESTER, HILLSBOROUGH, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 232 City : MANCHESTER County : HILLSBOROUGH State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 33011 LATA (Local Access Transport Area) : 122 Rate Center : MANCHESTER ZIP Code Count : 24 ZIP Code Frequency : 8 ZIP Code : 03109 Other Information NPANXX : 603232 County Population : 0 Switch CLLI (Common Language Location Identifier) : MNCHNHIEW01 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 : COMCAST PHONE OF NEW HAMPSHIRE, LLC - NH OCN (Operating Company Number) : 4112 Coverage Area Name : MANCHESTER Latitude : 42.9783 Longitude : -71.4051 ‹ previous : 603-232 next › : 603-232 Telephone Number List 603-232-0000 ~ 603-232-9999