Area Code 281-506 located in HOUSTON, HARRIS, TX, more detail is as below. Place NPA (Numbering Plan Area) : 281 NXX (Local Number Prefix) : 506 City : HOUSTON County : HARRIS State : TX (Texas) NXX Use Type : Landline NXX Intro Version : 1997-10-11 FIPS (Federal Information Processing Standards) : 48201 LATA (Local Access Transport Area) : 560 Rate Center : HSTNSUBURB ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 77010 Other Information NPANXX : 281506 County Population : 0 Switch CLLI (Common Language Location Identifier) : HSTNTXGIDS0 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 : TELEPORT COMMUNICATIONS GROUP - HOUSTON OCN (Operating Company Number) : 7138 Coverage Area Name : HOUSTON Latitude : 29.7515 Longitude : -95.3686 ‹ previous : 281-506 next › : 281-507 Telephone Number List 281-506-0000 ~ 281-506-9999