Area Code 512-204 located in AUSTIN, TRAVIS, TX, more detail is as below. Place NPA (Numbering Plan Area) : 512 NXX (Local Number Prefix) : 204 City : AUSTIN County : TRAVIS State : TX (Texas) NXX Use Type : Wireless NXX Intro Version : 1997-07-06 FIPS (Federal Information Processing Standards) : 48453 LATA (Local Access Transport Area) : 558 Rate Center : AUSTIN ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 78704 Other Information NPANXX : 512204 Switch CLLI (Common Language Location Identifier) : AUSTTXZI1MD 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 : AMERICAN MESSAGING (AM), INC. OCN (Operating Company Number) : 9748 Coverage Area Name : AUSTIN Latitude : 30.2727 Longitude : -97.7421 ‹ previous : 512-203 next › : 512-205 Telephone Number List 512-204-0000 ~ 512-204-9999