Area Code 603-659 located in DURHAM, STRAFFORD, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 659 City : DURHAM County : STRAFFORD State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 33017 LATA (Local Access Transport Area) : 122 Rate Center : NEW MARKET ZIP Code Count : 1750 ZIP Code Frequency : 32 ZIP Code : 03824 Other Information NPANXX : 603659 County Population : 0 Switch CLLI (Common Language Location Identifier) : NWMRNHGEDS0 MSA CBSA (Core Based Statistical Area) : Boston-Cambridge-Quincy, MA-NH MSA CBSA Code (Core Based Statistical Area) : 14460 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 : NEWMARKET Latitude : 43.0773 Longitude : -70.9370 ‹ previous : 603-658 next › : 603-659 Telephone Number List 603-659-0000 ~ 603-659-9999