Area Code 303-248 located in AURORA, ARAPAHOE, CO, more detail is as below. Place NPA (Numbering Plan Area) : 303 NXX (Local Number Prefix) : 248 City : AURORA County : ARAPAHOE State : CO (Colorado) NXX Use Type : Landline NXX Intro Version : 1997-04-01 FIPS (Federal Information Processing Standards) : 08005 LATA (Local Access Transport Area) : 656 Rate Center : DENVER ZIP Code Count : 3 ZIP Code Frequency : 25 ZIP Code : 80013 Other Information NPANXX : 303248 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 : 303-248 next › : 303-249 Telephone Number List 303-248-0000 ~ 303-248-9999