Area Code 318-402 located in SHREVEPORT, CADDO, LA, more detail is as below. Place NPA (Numbering Plan Area) : 318 NXX (Local Number Prefix) : 402 City : SHREVEPORT County : CADDO State : LA (Louisiana) NXX Use Type : Landline NXX Intro Version : 2002-10-25 FIPS (Federal Information Processing Standards) : 22017 LATA (Local Access Transport Area) : 486 Rate Center : SHREVEPORT ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 71103 Other Information NPANXX : 318402 County Population : 0 Switch CLLI (Common Language Location Identifier) : SHPTLAMA1MD MSA CBSA (Core Based Statistical Area) : Shreveport-Bossier City, LA MSA CBSA Code (Core Based Statistical Area) : 43340 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : LEVEL 3 COMMUNICATIONS, LLC - LA OCN (Operating Company Number) : 3232 Coverage Area Name : SHREVEPORT Latitude : 32.5070 Longitude : -93.7541 ‹ previous : 318-402 next › : 318-403 Telephone Number List 318-402-0000 ~ 318-402-9999