Area Code 503-868 located in AMITY, YAMHILL, OR, more detail is as below. Place NPA (Numbering Plan Area) : 503 NXX (Local Number Prefix) : 868 City : AMITY County : YAMHILL State : OR (Oregon) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 41071 LATA (Local Access Transport Area) : 672 Rate Center : GRAND IS ZIP Code Count : 32 ZIP Code Frequency : 9 ZIP Code : 97101 Other Information NPANXX : 503868 Switch CLLI (Common Language Location Identifier) : GDISORXXRS1 MSA CBSA (Core Based Statistical Area) : Portland-Vancouver-Hillsboro, OR-WA MSA CBSA Code (Core Based Statistical Area) : 38900 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR OCN (Operating Company Number) : 4323 Coverage Area Name : GRAND ISLAND Latitude : 45.1350 Longitude : -123.0601 ‹ previous : 503-868 next › : 503-868 Telephone Number List 503-868-0000 ~ 503-868-9999