Area Code 337-910 located in LAKE CHARLES, CALCASIEU, LA, more detail is as below. Place NPA (Numbering Plan Area) : 337 NXX (Local Number Prefix) : 910 City : LAKE CHARLES County : CALCASIEU State : LA (Louisiana) NXX Use Type : Landline NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 22019 Rate Center : LK CHARLES ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 70615 Other Information NPANXX : 337910 County Population : 0 Switch CLLI (Common Language Location Identifier) : NWORLA19DS0 MSA CBSA (Core Based Statistical Area) : Lake Charles, LA MSA CBSA Code (Core Based Statistical Area) : 29340 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 337-909 next › : 337-910 Telephone Number List 337-910-0000 ~ 337-910-9999