Area Code 603-681 located in PELHAM, HILLSBOROUGH, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 681 City : PELHAM County : HILLSBOROUGH State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 2000-06-13 FIPS (Federal Information Processing Standards) : 33011 LATA (Local Access Transport Area) : 122 Rate Center : SALEM ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 03076 Other Information NPANXX : 603681 County Population : 0 Switch CLLI (Common Language Location Identifier) : MNCHNHFWDS1 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 : CHOICE ONE COMMUNICATIONS OF NEW HAMPSHIRE, INC. OCN (Operating Company Number) : 2527 Coverage Area Name : SALEM Latitude : 42.7854 Longitude : -71.2270 ‹ previous : 603-680 next › : 603-682 Telephone Number List 603-681-0000 ~ 603-681-9999