Area Code 337-821 located in JENNINGS, JEFFERSON DAVIS, LA, more detail is as below. Place NPA (Numbering Plan Area) : 337 NXX (Local Number Prefix) : 821 City : JENNINGS County : JEFFERSON DAVIS State : LA (Louisiana) NXX Use Type : Landline NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 22053 LATA (Local Access Transport Area) : 488 Rate Center : JENNINGS ZIP Code Count : 78 ZIP Code Frequency : 93 ZIP Code : 70546 Other Information NPANXX : 337821 County Population : 0 Switch CLLI (Common Language Location Identifier) : JNGSLAMADS0 MSA CBSA (Core Based Statistical Area) : Jennings, LA MSA CBSA Code (Core Based Statistical Area) : 27660 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL OCN (Operating Company Number) : 9419 Coverage Area Name : JENNINGS Latitude : 30.2247 Longitude : -92.6614 ‹ previous : 337-821 next › : 337-824 Telephone Number List 337-821-0000 ~ 337-821-9999