Area Code 503
Area Code 503 is designated as Oregon (Portland, Salem, Tillamook, Astoria and northwestern Oregon, overlays with 971 except in coastal area)

Please select the links below to see more detail info of any exchange like 503-XXX.




Exchanges in this area code......
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503-999   503-998   503-997   503-993   503-992   503-991   503-990   503-989   503-988   503-986   503-985   503-984   503-983   503-982   503-981   503-980   503-978   503-977   503-975   503-974   503-973   503-972   503-970   503-969   503-968   503-967   503-965   503-963   503-962   503-961   503-957   503-956   503-955   503-952   503-951   503-949