(503) 287 is the primary area code and interchange for Portland, OR in Multnomah county. (503) 287 is also relevant to the following zip codes: 97211, 97212, 97213, 97217, 97218, 97227, 97232.
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Below is a listing of possible full-number matches for this interchange. If you are looking for a particular match, use the search box at the top.