Area Code 603-926 located in HAMPTON, ROCKINGHAM, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 926 City : HAMPTON County : ROCKINGHAM State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 33015 LATA (Local Access Transport Area) : 122 Rate Center : HAMPTON ZIP Code Count : 5610 ZIP Code Frequency : 90 ZIP Code : 03842 Other Information NPANXX : 603926 County Population : 0 Switch CLLI (Common Language Location Identifier) : HMPNNHWIDS1 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 : HAMPTON Latitude : 42.9305 Longitude : -70.8297 ‹ previous : 603-926 next › : 603-927 Telephone Number List 603-926-0000 ~ 603-926-9999