Area Code 503-200 located in PORTLAND, MULTNOMAH, OR, more detail is as below. Place NPA (Numbering Plan Area) : 503 NXX (Local Number Prefix) : 200 City : PORTLAND County : MULTNOMAH State : OR (Oregon) NXX Use Type : Wireless NXX Intro Version : 10/17/2006 FIPS (Federal Information Processing Standards) : 41051 LATA (Local Access Transport Area) : 672 Rate Center : PORTLAND ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 97203 Other Information NPANXX : 503200 Switch CLLI (Common Language Location Identifier) : PTLDOR62CM3 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 : NEW CINGULAR WIRELESS PCS, LLC OCN (Operating Company Number) : 6010 Coverage Area Name : PORTLAND Latitude : 45.5869 Longitude : -122.7537 ‹ previous : 502-995 next › : 503-201 Telephone Number List 503-200-0000 ~ 503-200-9999