Area Code 603-297 located in CENTER OSSIPEE, CARROLL, NH, more detail is as below. Place NPA (Numbering Plan Area) : 603 NXX (Local Number Prefix) : 297 City : CENTER OSSIPEE County : CARROLL State : NH (New Hampshire) NXX Use Type : Landline NXX Intro Version : 1999-05-10 FIPS (Federal Information Processing Standards) : 33003 LATA (Local Access Transport Area) : 122 Rate Center : CTROSSIPEE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 03814 Other Information NPANXX : 603297 County Population : 0 Switch CLLI (Common Language Location Identifier) : PTMONH07DS0 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : FREEDOM RING COMMUNICATIONS, LLC OCN (Operating Company Number) : 8468 Coverage Area Name : CTR OSSIPEE Latitude : 43.7576 Longitude : -71.1535 ‹ previous : 603-296 next › : 603-298 Telephone Number List 603-297-0000 ~ 603-297-9999