Area Code 603-835 located in ALSTEAD, CHESHIRE, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 835 City : ALSTEAD County : CHESHIRE State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 33005 LATA (Local Access Transport Area) : 122 Rate Center : ALSTEAD ZIP Code Count : 1167 ZIP Code Frequency : 79 ZIP Code : 03602 Other Information NPANXX : 603835 County Population : 0 Switch CLLI (Common Language Location Identifier) : ALSTNHLIRS1 MSA CBSA (Core Based Statistical Area) : Keene, NH MSA CBSA Code (Core Based Statistical Area) : 28300 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 : ALSTEAD Latitude : 43.1472 Longitude : -72.3592 ‹ previous : 603-835 next › : 603-836 Telephone Number List 603-835-0000 ~ 603-835-9999