Area Code 573-955 located in BISMARCK, SAINT FRANCOIS, MO, more detail is as below. Place NPA (Numbering Plan Area) : 573 NXX (Local Number Prefix) : 955 City : BISMARCK County : SAINT FRANCOIS State : MO (Missouri) NXX Use Type : Landline NXX Intro Version : 12/11/2009 FIPS (Federal Information Processing Standards) : 29187 LATA (Local Access Transport Area) : 520 Rate Center : BISMARCK ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 63624 Other Information NPANXX : 573955 County Population : 0 MSA CBSA (Core Based Statistical Area) : Farmington, MO MSA CBSA Code (Core Based Statistical Area) : 22100 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SBC INTERNET SERVICES, INC. OCN (Operating Company Number) : 516C Coverage Area Name : BISMARCK Latitude : 37.7672 Longitude : -90.6330 ‹ previous : 573-953 next › : 573-964 Telephone Number List 573-955-0000 ~ 573-955-9999