Area Code 318-544 located in CASTOR, BIENVILLE, LA, more detail is as below. Place NPA (Numbering Plan Area) : 318 NXX (Local Number Prefix) : 544 City : CASTOR County : BIENVILLE State : LA (Louisiana) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 22013 LATA (Local Access Transport Area) : 486 Rate Center : CASTOR ZIP Code Count : 725 ZIP Code Frequency : 89 ZIP Code : 71016 Other Information NPANXX : 318544 County Population : 0 Switch CLLI (Common Language Location Identifier) : CASTLAMARS2 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 : CASTOR Latitude : 32.2515 Longitude : -93.1645 ‹ previous : 318-544 next › : 318-545 Telephone Number List 318-544-0000 ~ 318-544-9999