Area Code 512-201 located in ROCKDALE, MILAM, TX, more detail is as below. Place NPA (Numbering Plan Area) : 512 NXX (Local Number Prefix) : 201 City : ROCKDALE County : MILAM State : TX (Texas) NXX Use Type : Wireless NXX Intro Version : 2003-11-11 FIPS (Federal Information Processing Standards) : 48331 LATA (Local Access Transport Area) : 558 Rate Center : THORNDTHRL ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 76567 Other Information NPANXX : 512201 Switch CLLI (Common Language Location Identifier) : AUSUTXMQCM0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX OCN (Operating Company Number) : 6506 Coverage Area Name : AUSTIN Latitude : 30.2331 Longitude : -97.7429 ‹ previous : 512-200 next › : 512-201 Telephone Number List 512-201-0000 ~ 512-201-9999