Area Code 870-286 located in DIERKS, HOWARD, AR, more detail is as below. Place NPA (Numbering Plan Area) : 870 NXX (Local Number Prefix) : 286 City : DIERKS County : HOWARD State : AR (Arkansas) NXX Use Type : Landline NXX Intro Version : 1997-07-06 FIPS (Federal Information Processing Standards) : 05061 LATA (Local Access Transport Area) : 528 Rate Center : DIERKS ZIP Code Count : 954 ZIP Code Frequency : 94 ZIP Code : 71833 Other Information NPANXX : 870286 Switch CLLI (Common Language Location Identifier) : DRKSARXARS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : WINDSTREAM ARKANSAS, INC. OCN (Operating Company Number) : 1691 Coverage Area Name : DIERKS Latitude : 34.1160 Longitude : -94.0204 ‹ previous : 870-286 next › : 870-287 Telephone Number List 870-286-0000 ~ 870-286-9999