Area Code 870-338 located in HELENA, PHILLIPS, AR, more detail is as below. Place NPA (Numbering Plan Area) : 870 NXX (Local Number Prefix) : 338 City : HELENA County : PHILLIPS State : AR (Arkansas) NXX Use Type : Landline NXX Intro Version : 1997-07-06 FIPS (Federal Information Processing Standards) : 05107 LATA (Local Access Transport Area) : 528 Rate Center : HELENA ZIP Code Count : 1875 ZIP Code Frequency : 100 ZIP Code : 72342 Other Information NPANXX : 870338 Switch CLLI (Common Language Location Identifier) : HLNAARHIRS1 MSA CBSA (Core Based Statistical Area) : Helena-West Helena, AR MSA CBSA Code (Core Based Statistical Area) : 25760 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SOUTHWESTERN BELL OCN (Operating Company Number) : 9533 Coverage Area Name : HELENA Latitude : 34.5263 Longitude : -90.5904 ‹ previous : 870-337 next › : 870-339 Telephone Number List 870-338-0000 ~ 870-338-9999