Area Code 503-258 located in PORTLAND, MULTNOMAH, OR, more detail is as below. Place NPA (Numbering Plan Area) : 503 NXX (Local Number Prefix) : 258 City : PORTLAND County : MULTNOMAH State : OR (Oregon) NXX Use Type : Landline NXX Intro Version : 2000-06-13 FIPS (Federal Information Processing Standards) : 41051 LATA (Local Access Transport Area) : 672 Rate Center : PORTLAND ZIP Code Count : 217 ZIP Code Frequency : 19 ZIP Code : 97230 Other Information NPANXX : 503258 Switch CLLI (Common Language Location Identifier) : PTLDOR11DS0 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 : QWEST CORPORATION OCN (Operating Company Number) : 9638 Coverage Area Name : PORTLAND Latitude : 45.5351 Longitude : -122.5559 ‹ previous : 503-257 next › : 503-258 Telephone Number List 503-258-0000 ~ 503-258-9999