Area Code 603-455 located in NORTH WALPOLE, CHESHIRE, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 455 City : NORTH WALPOLE County : CHESHIRE State : NH (New Hampshire) NXX Use Type : Wireless NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 33005 LATA (Local Access Transport Area) : 122 Rate Center : LACONIA ZIP Code Count : 1 ZIP Code Frequency : 50 ZIP Code : 03609 Other Information NPANXX : 603455 County Population : 0 Switch CLLI (Common Language Location Identifier) : MRMCNHGICM0 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 : UNITED STATES CELLULAR CORP. - NEW HAMPSHIRE OCN (Operating Company Number) : 6290 Coverage Area Name : LACONIA Latitude : 43.5342 Longitude : -71.4743 ‹ previous : 603-454 next › : 603-455 Telephone Number List 603-455-0000 ~ 603-455-9999