Area Code 503-434 located in MCMINNVILLE, YAMHILL, OR, more detail is as below. Place NPA (Numbering Plan Area) : 503 NXX (Local Number Prefix) : 434 City : MCMINNVILLE 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 : MCMINNVL ZIP Code Count : 1848 ZIP Code Frequency : 99 ZIP Code : 97128 Other Information NPANXX : 503434 Switch CLLI (Common Language Location Identifier) : MMVLORXXDS1 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 : MCMINNVILLE Latitude : 45.2099 Longitude : -123.1894 ‹ previous : 503-433 next › : 503-435 Telephone Number List 503-434-0000 ~ 503-434-9999