Area Code 254-333 located in CEDAR PARK, WILLIAMSON, TX, more detail is as below. Place NPA (Numbering Plan Area) : 254 NXX (Local Number Prefix) : 333 City : CEDAR PARK County : WILLIAMSON State : TX (Texas) NXX Use Type : Wireless NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 48491 LATA (Local Access Transport Area) : 556 Rate Center : KILLEEN ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 78613 Other Information NPANXX : 254333 County Population : 0 Switch CLLI (Common Language Location Identifier) : KLLNTXXA0MD MSA CBSA (Core Based Statistical Area) : Austin-Round Rock-San Marcos, TX MSA CBSA Code (Core Based Statistical Area) : 12420 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : HELMSCO INC. OCN (Operating Company Number) : 6833 Coverage Area Name : KILLEEN Latitude : 31.1203 Longitude : -97.7291 ‹ previous : 254-331 next › : 254-334 Telephone Number List 254-333-0000 ~ 254-333-9999