Area Code 337-323 located in OPELOUSAS, SAINT LANDRY, LA, more detail is as below. Place NPA (Numbering Plan Area) : 337 NXX (Local Number Prefix) : 323 City : OPELOUSAS County : SAINT LANDRY State : LA (Louisiana) NXX Use Type : Landline NXX Intro Version : 2003-02-09 FIPS (Federal Information Processing Standards) : 22097 LATA (Local Access Transport Area) : 488 Rate Center : OPELOUSAS ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 70570 Other Information NPANXX : 337323 County Population : 0 Switch CLLI (Common Language Location Identifier) : SCTTLAAFDSN MSA CBSA (Core Based Statistical Area) : Opelousas-Eunice, LA MSA CBSA Code (Core Based Statistical Area) : 36660 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : DELTACOM, INC. - LA OCN (Operating Company Number) : 4618 Coverage Area Name : OPELOUSAS Latitude : 30.5317 Longitude : -92.0820 ‹ previous : 337-322 next › : 337-324 Telephone Number List 337-323-0000 ~ 337-323-9999