Area Code 503-607 located in GLADSTONE, CLACKAMAS, OR, more detail is as below. Place NPA (Numbering Plan Area) : 503 NXX (Local Number Prefix) : 607 City : GLADSTONE County : CLACKAMAS State : OR (Oregon) NXX Use Type : Landline NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 41005 LATA (Local Access Transport Area) : 672 Rate Center : CLACKAMAS ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 97027 Other Information NPANXX : 503607 Switch CLLI (Common Language Location Identifier) : PTLDORPBDS1 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 : ESCHELON TELECOMM OF OREGON, INC. - OR OCN (Operating Company Number) : 3539 Coverage Area Name : PORTLAND Latitude : 45.3939 Longitude : -122.6355 ‹ previous : 503-606 next › : 503-607 Telephone Number List 503-607-0000 ~ 503-607-9999