Area Code 573-302 located in KAISER, MILLER, MO, more detail is as below. Place NPA (Numbering Plan Area) : 573 NXX (Local Number Prefix) : 302 City : KAISER County : MILLER State : MO (Missouri) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 29131 LATA (Local Access Transport Area) : 520 Rate Center : LKOZKOSBCH ZIP Code Count : 76 ZIP Code Frequency : 6 ZIP Code : 65047 Other Information NPANXX : 573302 County Population : 0 Switch CLLI (Common Language Location Identifier) : OSBHMOFIRS4 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SOUTHWESTERN BELL OCN (Operating Company Number) : 9533 Coverage Area Name : OSAGE BEACH Latitude : 38.1924 Longitude : -92.6353 ‹ previous : 573-302 next › : 573-302 Telephone Number List 573-302-0000 ~ 573-302-9999