Area Code 503-994 located in WARRENTON, CLATSOP, OR, more detail is as below. Place NPA (Numbering Plan Area) : 503 NXX (Local Number Prefix) : 994 City : WARRENTON County : CLATSOP State : OR (Oregon) NXX Use Type : Landline NXX Intro Version : 9/25/2006 FIPS (Federal Information Processing Standards) : 41007 LATA (Local Access Transport Area) : 672 Rate Center : WARRENTON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 97146 Other Information NPANXX : 503994 Switch CLLI (Common Language Location Identifier) : PTLEOREH3MD MSA CBSA (Core Based Statistical Area) : Astoria, OR MSA CBSA Code (Core Based Statistical Area) : 11820 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : 360NETWORKS (USA) INC. - OR OCN (Operating Company Number) : 611D Coverage Area Name : WARRENTON Latitude : 46.1656 Longitude : -123.9256 ‹ previous : 503-993 next › : 503-995 Telephone Number List 503-994-0000 ~ 503-994-9999