Area Code 503-852 located in YAMHILL, YAMHILL, OR, more detail is as below. Place NPA (Numbering Plan Area) : 503 NXX (Local Number Prefix) : 852 City : YAMHILL 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 : CARLTON ZIP Code Count : 42 ZIP Code Frequency : 5 ZIP Code : 97148 Other Information NPANXX : 503852 Switch CLLI (Common Language Location Identifier) : CRTOORXARS0 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 : UNITED TELEPHONE-NORTHWEST-OR DBA CENTURYLINK - OR OCN (Operating Company Number) : 4520 Coverage Area Name : CARLTON Latitude : 45.2955 Longitude : -123.1755 ‹ previous : 503-851 next › : 503-852 Telephone Number List 503-852-0000 ~ 503-852-9999