Area Code 573-203 located in SENATH, DUNKLIN, MO, more detail is as below. Place NPA (Numbering Plan Area) : 573 NXX (Local Number Prefix) : 203 City : SENATH County : DUNKLIN State : MO (Missouri) NXX Use Type : Landline NXX Intro Version : 2003-05-09 FIPS (Federal Information Processing Standards) : 29069 LATA (Local Access Transport Area) : 520 Rate Center : SENATH ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 63876 Other Information NPANXX : 573203 County Population : 0 Switch CLLI (Common Language Location Identifier) : STLSMOPLDS3 MSA CBSA (Core Based Statistical Area) : Kennett, MO MSA CBSA Code (Core Based Statistical Area) : 28380 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : LEVEL 3 COMMUNICATIONS, LLC - MO OCN (Operating Company Number) : 4932 Coverage Area Name : SENATH Latitude : 36.1333 Longitude : -90.1582 ‹ previous : 573-202 next › : 573-204 Telephone Number List 573-203-0000 ~ 573-203-9999