Area Code 956-204 located in BROWNSVILLE, CAMERON, TX, more detail is as below. Place NPA (Numbering Plan Area) : 956 NXX (Local Number Prefix) : 204 City : BROWNSVILLE County : CAMERON State : TX (Texas) NXX Use Type : Wireless NXX Intro Version : 12/19/2006 FIPS (Federal Information Processing Standards) : 48061 LATA (Local Access Transport Area) : 568 Rate Center : BROWNSVL ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 78520 Other Information NPANXX : 956204 Switch CLLI (Common Language Location Identifier) : HRLNTX92CM0 MSA CBSA (Core Based Statistical Area) : Brownsville-Harlingen, TX MSA CBSA Code (Core Based Statistical Area) : 15180 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : NEW CINGULAR WIRELESS PCS, LLC - IL OCN (Operating Company Number) : 6534 Coverage Area Name : BROWNSVILLE Latitude : 25.9106 Longitude : -97.5005 ‹ previous : 956-203 next › : 956-205 Telephone Number List 956-204-0000 ~ 956-204-9999