Area Code 501-865 located in BISMARCK, HOT SPRING, AR, more detail is as below. Place NPA (Numbering Plan Area) : 501 NXX (Local Number Prefix) : 865 City : BISMARCK County : HOT SPRING State : AR (Arkansas) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 05059 LATA (Local Access Transport Area) : 528 Rate Center : BISMARCK ZIP Code Count : 1411 ZIP Code Frequency : 78 ZIP Code : 71929 Other Information NPANXX : 501865 County Population : 0 Switch CLLI (Common Language Location Identifier) : BSMRARXADS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : CENTRAL ARKANSAS TELEPHONE COOPERATIVE, INC. OCN (Operating Company Number) : 1697 Coverage Area Name : BISMARCK Latitude : 34.3159 Longitude : -93.1692 ‹ previous : 501-865 next › : 501-868 Telephone Number List 501-865-0000 ~ 501-865-9999