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Phone Directory 503-478 Detail

State Major City Time Zone
Oregon Portland Pacific

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Example: (503) 478-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
503-478 Portland, OR Qwest Corporation Multnomah Landline 05/10/1999

Other Series For Prefixes

503-4780###
503-4781###
503-4782###
503-4783###
503-4784###
503-4785###
503-4786###
503-4787###
503-4788###
503-4789###