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Phone Directory 503-423 Detail

State Major City Time Zone
Oregon Portland Pacific

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
503-423 Portland, OR Qwest Corporation Multnomah Landline 02/04/1994

Other Series For Prefixes

503-4230###
503-4231###
503-4232###
503-4233###
503-4234###
503-4235###
503-4236###
503-4237###
503-4238###
503-4239###