Area Code 503-389 located in PORTLAND, WASHINGTON, OR, more detail is as below. Place NPA (Numbering Plan Area) : 503 NXX (Local Number Prefix) : 389 City : PORTLAND County : WASHINGTON State : OR (Oregon) NXX Use Type : Landline NXX Intro Version : 1997-01-11 FIPS (Federal Information Processing Standards) : 41067 LATA (Local Access Transport Area) : 672 Rate Center : NORTH PL ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 97224 Other Information NPANXX : 503389 Switch CLLI (Common Language Location Identifier) : BVTNORAG0MD 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 : XO OREGON, INC. OCN (Operating Company Number) : 4980 Coverage Area Name : TIGARD Latitude : 45.4474 Longitude : -122.7813 ‹ previous : 503-388 next › : 503-390 Telephone Number List 503-389-0000 ~ 503-389-9999