Area Code 281-307 located in LA PORTE, HARRIS, TX, more detail is as below. Place NPA (Numbering Plan Area) : 281 NXX (Local Number Prefix) : 307 City : LA PORTE County : HARRIS State : TX (Texas) NXX Use Type : Landline NXX Intro Version : 1997-07-06 FIPS (Federal Information Processing Standards) : 48201 LATA (Local Access Transport Area) : 560 Rate Center : LA PORTE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 77571 Other Information NPANXX : 281307 County Population : 0 Switch CLLI (Common Language Location Identifier) : HSTNTXSXDS1 MSA CBSA (Core Based Statistical Area) : Houston-Sugar Land-Baytown, TX MSA CBSA Code (Core Based Statistical Area) : 26420 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : LOGIX COMMUNICATIONS CORPORATION - TX OCN (Operating Company Number) : 8833 Coverage Area Name : LA PORTE Latitude : 29.6688 Longitude : -95.0265 ‹ previous : 281-306 next › : 281-308 Telephone Number List 281-307-0000 ~ 281-307-9999