Area Code 971-999 located in YAMHILL, YAMHILL, OR, more detail is as below. Place NPA (Numbering Plan Area) : 971 NXX (Local Number Prefix) : 999 City : YAMHILL County : YAMHILL State : OR (Oregon) NXX Use Type : Landline NXX Intro Version : 11/20/2012 FIPS (Federal Information Processing Standards) : 41071 LATA (Local Access Transport Area) : 672 Rate Center : YAMHILL ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 97148 Other Information NPANXX : 971999 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 Overlay : L Company : 360NETWORKS (USA) INC. - OR OCN (Operating Company Number) : 611D Coverage Area Name : YAMHILL Latitude : 45.3414 Longitude : -123.1841 ‹ previous : 971-998 next › : 972-200 Telephone Number List 971-999-0000 ~ 971-999-9999