Area Code 303-200 located in AURORA, ARAPAHOE, CO, more detail is as below. Place NPA (Numbering Plan Area) : 303 NXX (Local Number Prefix) : 200 City : AURORA County : ARAPAHOE State : CO (Colorado) NXX Use Type : Landline NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 08005 LATA (Local Access Transport Area) : 656 Rate Center : DENVER ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 80012 Other Information NPANXX : 303200 County Population : 0 Switch CLLI (Common Language Location Identifier) : AURRCOBUDS0 MSA CBSA (Core Based Statistical Area) : Denver-Aurora, CO MSA CBSA Code (Core Based Statistical Area) : 19740 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : TELEPORT COMMUNICATIONS AMERICA, LLC - CO OCN (Operating Company Number) : 7378 Coverage Area Name : DENVER Latitude : 39.6670 Longitude : -104.8633 ‹ previous : 302-999 next › : 303-200 Telephone Number List 303-200-0000 ~ 303-200-9999