Area Code 318-338 located in MONROE, OUACHITA, LA, more detail is as below. Place NPA (Numbering Plan Area) : 318 NXX (Local Number Prefix) : 338 City : MONROE County : OUACHITA State : LA (Louisiana) NXX Use Type : Landline NXX Intro Version : 1994-09-11 FIPS (Federal Information Processing Standards) : 22073 LATA (Local Access Transport Area) : 486 Rate Center : MONROE ZIP Code Count : 56 ZIP Code Frequency : 41 ZIP Code : 71201 Other Information NPANXX : 318338 County Population : 0 Switch CLLI (Common Language Location Identifier) : MONRLAMADS0 MSA CBSA (Core Based Statistical Area) : Monroe, LA MSA CBSA Code (Core Based Statistical Area) : 33740 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 : MONROE Latitude : 32.5035 Longitude : -92.1135 ‹ previous : 318-338 next › : 318-339 Telephone Number List 318-338-0000 ~ 318-338-9999