Area Code 303-651 located in BERTHOUD, LARIMER, CO, more detail is as below. Place NPA (Numbering Plan Area) : 303 NXX (Local Number Prefix) : 651 City : BERTHOUD County : LARIMER State : CO (Colorado) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 08069 LATA (Local Access Transport Area) : 656 Rate Center : LONGMONT ZIP Code Count : 52 ZIP Code Frequency : 2 ZIP Code : 80513 Other Information NPANXX : 303651 County Population : 0 Switch CLLI (Common Language Location Identifier) : LNMTCOMACG0 MSA CBSA (Core Based Statistical Area) : Fort Collins-Loveland, CO MSA CBSA Code (Core Based Statistical Area) : 22660 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : QWEST CORPORATION OCN (Operating Company Number) : 9636 Coverage Area Name : LONGMONT Latitude : 40.1722 Longitude : -105.1026 ‹ previous : 303-651 next › : 303-651 Telephone Number List 303-651-0000 ~ 303-651-9999