Area Code 660-323 located in LA PLATA, MACON, MO, more detail is as below. Place NPA (Numbering Plan Area) : 660 NXX (Local Number Prefix) : 323 City : LA PLATA County : MACON State : MO (Missouri) NXX Use Type : Landline NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 29121 LATA (Local Access Transport Area) : 524 Rate Center : BRASHEAR ZIP Code Count : 10 ZIP Code Frequency : 4 ZIP Code : 63549 Other Information NPANXX : 660323 Switch CLLI (Common Language Location Identifier) : BRSHMOXARS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : MARK TWAIN RURAL TELEPHONE CO. OCN (Operating Company Number) : 1914 Coverage Area Name : BRASHEAR Latitude : 40.1499 Longitude : -92.3795 ‹ previous : 660-323 next › : 660-323 Telephone Number List 660-323-0000 ~ 660-323-9999