Area Code 318-428 located in RAYVILLE, RICHLAND, LA, more detail is as below. Place NPA (Numbering Plan Area) : 318 NXX (Local Number Prefix) : 428 City : RAYVILLE County : RICHLAND State : LA (Louisiana) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 22083 LATA (Local Access Transport Area) : 486 Rate Center : OAK GROVE ZIP Code Count : 92 ZIP Code Frequency : 2 ZIP Code : 71269 Other Information NPANXX : 318428 County Population : 0 Switch CLLI (Common Language Location Identifier) : OKGVLAMARS1 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 : OAK GROVE Latitude : 32.8571 Longitude : -91.3860 ‹ previous : 318-428 next › : 318-428 Telephone Number List 318-428-0000 ~ 318-428-9999