Area Code 985-200 located in MADISONVILLE, SAINT TAMMANY, LA, more detail is as below. Place NPA (Numbering Plan Area) : 985 NXX (Local Number Prefix) : 200 City : MADISONVILLE County : SAINT TAMMANY State : LA (Louisiana) NXX Use Type : Landline NXX Intro Version : 2/16/2011 FIPS (Federal Information Processing Standards) : 22103 LATA (Local Access Transport Area) : 490 Rate Center : MADISONVL ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 70447 Other Information NPANXX : 985200 MSA CBSA (Core Based Statistical Area) : New Orleans-Metairie-Kenner, LA MSA CBSA Code (Core Based Statistical Area) : 35380 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : LEVEL 3 COMMUNICATIONS, LLC - LA OCN (Operating Company Number) : 3232 Coverage Area Name : MADISONVILLE Latitude : 30.4084 Longitude : -90.1563 ‹ previous : 984-664 next › : 985-201 Telephone Number List 985-200-0000 ~ 985-200-9999