Area Code 281-509 located in HOUSTON, HARRIS, TX, more detail is as below. Place NPA (Numbering Plan Area) : 281 NXX (Local Number Prefix) : 509 City : HOUSTON 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 : HSTNSUBURB ZIP Code Count : 1 ZIP Code Frequency : 3 ZIP Code : 77038 Other Information NPANXX : 281509 County Population : 0 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 : SOUTHWESTERN BELL OCN (Operating Company Number) : 9533 Coverage Area Name : HOUSTON Latitude : 29.7182 Longitude : -95.5497 ‹ previous : 281-509 next › : 281-509 Telephone Number List 281-509-0000 ~ 281-509-9999