Area Code 303-666 located in LAFAYETTE, BOULDER, CO, more detail is as below. Place NPA (Numbering Plan Area) : 303 NXX (Local Number Prefix) : 666 City : LAFAYETTE County : BOULDER State : CO (Colorado) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 08013 LATA (Local Access Transport Area) : 656 Rate Center : DENVER ZIP Code Count : 1495 ZIP Code Frequency : 38 ZIP Code : 80026 Other Information NPANXX : 303666 County Population : 0 Switch CLLI (Common Language Location Identifier) : DNVRCOCWDS0 MSA CBSA (Core Based Statistical Area) : Boulder, CO MSA CBSA Code (Core Based Statistical Area) : 14500 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : QWEST CORPORATION OCN (Operating Company Number) : 9636 Coverage Area Name : DENVER Latitude : 39.7454 Longitude : -105.0512 ‹ previous : 303-665 next › : 303-666 Telephone Number List 303-666-0000 ~ 303-666-9999
