Area Code 318-477 located in MANGHAM, RICHLAND, LA, more detail is as below. Place NPA (Numbering Plan Area) : 318 NXX (Local Number Prefix) : 477 City : MANGHAM County : RICHLAND State : LA (Louisiana) NXX Use Type : Wireless NXX Intro Version : 2004-08-17 FIPS (Federal Information Processing Standards) : 22083 LATA (Local Access Transport Area) : 486 Rate Center : MANGHAM ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 71259 Other Information NPANXX : 318477 County Population : 0 Switch CLLI (Common Language Location Identifier) : MONRLAMAX0X Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : NEW CINGULAR WIRELESS PCS, LLC - GA OCN (Operating Company Number) : 6214 Coverage Area Name : MANGHAM Latitude : 32.3081 Longitude : -91.7788 ‹ previous : 318-476 next › : 318-478 Telephone Number List 318-477-0000 ~ 318-477-9999