Area Code 337-578 located in BALDWIN, SAINT MARY, LA, more detail is as below. Place NPA (Numbering Plan Area) : 337 NXX (Local Number Prefix) : 578 City : BALDWIN County : SAINT MARY State : LA (Louisiana) NXX Use Type : Wireless NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 22101 LATA (Local Access Transport Area) : 488 Rate Center : BALDWIN ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 70514 Other Information NPANXX : 337578 County Population : 0 MSA CBSA (Core Based Statistical Area) : Morgan City, LA MSA CBSA Code (Core Based Statistical Area) : 34020 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : NEW CINGULAR WIRELESS PCS, LLC - GA OCN (Operating Company Number) : 6214 Coverage Area Name : BALDWIN Latitude : 29.8424 Longitude : -91.5444 ‹ previous : 337-577 next › : 337-579 Telephone Number List 337-578-0000 ~ 337-578-9999