Area Code 603-750 located in ROLLINSFORD, STRAFFORD, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 750 City : ROLLINSFORD County : STRAFFORD State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1997-07-06 FIPS (Federal Information Processing Standards) : 33017 LATA (Local Access Transport Area) : 122 Rate Center : DOVER ZIP Code Count : 27 ZIP Code Frequency : 4 ZIP Code : 03869 Other Information NPANXX : 603750 County Population : 0 Switch CLLI (Common Language Location Identifier) : DOVRNHTHDS0 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 : DOVER Latitude : 43.1943 Longitude : -70.8765 ‹ previous : 603-750 next › : 603-750 Telephone Number List 603-750-0000 ~ 603-750-9999